Copyright McGraw-Hill Education. Permission required for reproduction or display. C1. Cervical spinal ner ves. Thor acic. T12 Spinal nerve rootlets
|
|
- Claude Gilbert
- 5 years ago
- Views:
Transcription
1 Fig C1 Cervical enlar gem ent C7 Cervical spinal ner ves Dural sheath Subarachnoi d space Thor acic spinal ner ves Vertebra (cut) Lum bar enlar gem ent Medullar y T12 rootlets cone Posterior median sulcus Cauda equina Lum bar spinal ner ves Subarachnoi d space Epidural space L5 Rib Arachnoid mater Ter m inal filum S5 Sacral spinal ner ves Dura mater Col (a) (b) 1 Fig Posterior Spinous process of vertebra Fat in epidural space Subarachnoid space Meninges: Dura mater (dural sheath) Arachnoid mater Pia mater Denticulate ligament Vertebral body (a) and vertebra (cervical) Gr ay m atter : Posterior horn Gr ay com m issur e Lateral horn horn Central canal Posterior median sulcus White matter: Posterior column Lateral column column of spinal nerve median fissure root of spinal nerve Meninges: Pia mater Arachnoid mater Dura mater (dural sheath) (b) and meninges (thoracic) c: Ed Reschke/Getty Images (c) Lumbar spinal cord 2 1
2 Table Fig Posterior column: Gracile fasciculus Cuneate fasciculus Ascending tracts Descending tracts corticospinal tract Posterior spinocerebellar tract spinocerebellar tract Anterolateral system (containing spinothalamic and spinoreticular tracts) Lateral corticospinal tract Lateral reticulospinal tract Tectospinal tract Medial reticulospinal tract Lateral vestibulospinal tract Medial vestibulospinal tract 4 2
3 Fig Somesthetic cortex (postcentr al gyr us) Somesthetic cortex (postcentr al gyr us) Thir d-or der Thir d-or der Thalam us Thalam us Cerebrum Cerebrum Midbr ain Medial lemniscus Midbr ain Gr acile nucleus Second-or der Cuneate nucleus Second-or der Medulla Medial lemniscus Medulla Fir st-or der Gracile fasciculus Cuneate fasciculus Spinothalamic tr act Fir st-or der Anterolateral system (a) Receptors for body movement, limb positions, fine touch discrimination, and pressure (b) Receptors for pain, heat, and cold 5 Fig Motor cortex (pr ecentr al gyr us) Internal capsule Cerebrum Midbr ain Cerebral peduncle Upper motor s Medulla Medullar y pyr am id Decussation in medulla Later al cor ticospinal tr act cor ticospinal tr act Decussation in spinal cor d Lower motor s To skeletal m uscles 6 3
4 Fig Epineurium Perineurium Endoneurium Rootlets ganglion Nerve fiber root Fascicle Spinal nerve Blood vessels Blood vessels (b) Fascicle Epineurium Perineurium Unmyelinated nerve fibers (a) Myelinated nerve fibers Endoneurium Myelin b: Dr. Kessel & Dr. Kardon/Tissues and Organs/Visuals Unlimited, Inc 7 Table
5 Fig Direction of signal conduction ganglion root Sensory pathway Somatosensory neurons Sensory nerve fibers Epineurium Blood vessels root Motor nerve fibers Motor pathway To spinal cord To peripheral receptors and effectors 9 Fig Vertebra C1 (atlas) Cervical plexus (C1 C5) Brachial plexus (C5 T1) Vertebra T1 Inter costal (thor acic) ner ves (T1 T12) Lum bar enlar gem ent C1 C2 C3 C4 C5 C6 C7 C8 T1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T11 Cervical nerves (8 pairs) Cervical enlargement Thor acic ner ves (12 pair s) Vertebra L1 T12 L1 Medullar y cone Lum bar plexus (L1 L4) L2 L3 Lumbar nerves (5 pairs) L4 L5 Cauda equina Sacral plexus (L4 S4) S1 S2 S3 Sacral nerves (5 pairs) Coccygeal (S4 Co1) plexus S4 S5 Coccygeal nerves (1 pair) Sciatic nerve 10 5
6 Fig Posterior Posterior ramus ramus root Vertebral body Spinous process of vertebra Deep muscles of back Transverse process of vertebra Meningeal branch Communicating rami Sympathetic ganglion 11 Fig Posterior and anterior rootlets of spinal ner ve Posterior ramus ramus Communicating rami Intercostal nerve root Sympathetic chain ganglion ramus of spinal ner ve Thor acic cavity Sympathetic chain ganglion Posterior ramus of spinal ner ve Communicating rami Later al cutaneou s Intercostal muscles cutaneou s ner ve ner ve (a) Anter olater al view (b) Cross section 12 6
7 Fig C5 C6 C7 C8 Posterior scapular nerve Suprascapular nerve Lateral cord Posterior cord Medial cord Lateral cord Posterior cord Medial cord Axillary nerve Musculocutaneous nerve Median nerve Radial nerve T1 Long thoracic nerve Roots Trunks divisions Posterior divisions Cords Musculocutaneous nerve Axillary nerve Radial nerve Median nerve Ulnar nerve Ulna Ulnar nerve Median nerve Radial nerve Radius Superficial branch of ulnar nerve Digital branch of ulnar nerve Digital branch of median nerve 13 Fig Integrating center (spinal gray matter) Afferent nerve fiber Receptor (sensory nerve endings in muscle) Efferent nerve fiber (motor neuron) Effector (quadriceps muscle) 14 7
8 Fig Bone Peripheral nerve (m otor and sensor y ner ve fiber s) Tendon Gam m a motor fiber Muscle spindle Skeletal muscle Extrafusal muscle fibers Connective tissue sheath (cut open) Intr afusal muscle fibers Motor ner ve fiber s: Gam m a Alpha Sensory nerve fibers: Primary Secondary 15 Fig Muscle spindle 4 7 Primary afferent fiber 2 Alpha motor nerve fiber to quadriceps Alpha motor nerve fiber to hamstrings 1 Tap on patellar ligament excites nerve endings of muscle spindle in quadriceps femoris. 2 Stretch signals travel to spinal cord via primary afferent fiber and dorsal root. 3 Primary afferent neuron stimulates alpha motor neuron in spinal cord. EPSP IPSP 4 Efferent signals in alpha motor nerve fiber stimulate quadriceps to contract, producing knee jerk. 5 At same time, a branch of the afferent nerve fiber stimulates inhibitory motor neuron in spinal cord. 6 That neuron inhibits alpha motor neuron that supplies hamstring muscles. 7 Hamstring contraction is inhibited so hamstrings (knee flexors) do not antagonize quadriceps (knee extensor). 16 8
9 Fig Sensory neuron activates m ultiple inter s 5 3 Ipsilateral motor s to flexor excited Contralateral motor neurons to extensor excited 4 Ipsilateral contr acts flexor 6 Contralateral extensor contr acts 1 Stepping on glass stim ulates pain r eceptor s in right foot Withdrawal of right leg (flexor r eflex) Extension of left leg (cr ossed extension r eflex) 17 Fig Nerve fibers Tendon organ Tendon bundles Muscle fibers 18 9
Fig Cervical spinal nerves. Cervical enlargement C7. Dural sheath. Subarachnoid space. Thoracic. Spinal cord Vertebra (cut) spinal nerves
Fig. 13.1 C1 Cervical enlargement C7 Cervical spinal nerves Dural sheath Subarachnoid space Thoracic spinal nerves Spinal cord Vertebra (cut) Lumbar enlargement Medullary cone T12 Spinal nerve Spinal nerve
More informationChapter 13: The Spinal Cord and Spinal Nerves
Chapter 13: The Spinal Cord and Spinal Nerves Spinal Cord Anatomy Protective structures: Vertebral column and the meninges protect the spinal cord and provide physical stability. a. Dura mater, b. Arachnoid,
More informationChapter 13 Lecture Outline
Chapter 13 Lecture Outline See separate PowerPoint slides for all figures and tables preinserted into PowerPoint without notes. Copyright McGraw-Hill Education. Permission required for reproduction or
More informationNote: Please refer to handout Spinal Plexuses and Representative Spinal Nerves for
Chapter 13 Outline Note: Please refer to handout Spinal Plexuses and Representative Spinal Nerves for what you need to know from Exhibits 13.1 13.4 I. INTRODUCTION A. The spinal cord and spinal nerves
More informationChapter 13 *Lecture PowerPoint
Chapter 13 *Lecture PowerPoint The Spinal Cord, Spinal Nerves, and Somatic Reflexes *See separate FlexArt PowerPoint slides for all figures and tables preinserted into PowerPoint without notes. Copyright
More informationChapter 13 Lecture Outline
Chapter 13 Lecture Outline See separate PowerPoint slides for all figures and tables preinserted into PowerPoint without notes. Copyright McGraw-Hill Education. Permission required for reproduction or
More informationThe Spinal Cord. The Nervous System. The Spinal Cord. The Spinal Cord 1/2/2016. Continuation of CNS inferior to foramen magnum.
The Nervous System Spinal Cord Continuation of CNS inferior to foramen magnum Simpler than the brain Conducts impulses to and from brain Two way conduction pathway Reflex actions Passes through vertebral
More informationHuman Anatomy. Spinal Cord and Spinal Nerves
Human Anatomy Spinal Cord and Spinal Nerves 1 The Spinal Cord Link between the brain and the body. Exhibits some functional independence from the brain. The spinal cord and spinal nerves serve two functions:
More informationChapter 13! Chapter 13 Spinal Cord and Spinal Nerves! The Spinal Cord and Spinal Nerves!
Chapter 13! The Spinal Cord and Spinal Nerves! SECTION 13-1! The brain and spinal cord make up the central nervous system, and the cranial nerves and spinal nerves constitute the peripheral nervous system!
More informationSpinal Cord Protection. Chapter 13 The Spinal Cord & Spinal Nerves. External Anatomy of Spinal Cord. Structures Covering the Spinal Cord
Spinal Cord Protection Chapter 13 The Spinal Cord & Spinal Nerves We are only going to cover Pages 420-434 and 447 Together with brain forms the CNS Functions spinal cord reflexes integration (summation
More informationANATOMY OF SPINAL CORD. Khaleel Alyahya, PhD, MEd King Saud University School of
ANATOMY OF SPINAL CORD Khaleel Alyahya, PhD, MEd King Saud University School of Medicine @khaleelya OBJECTIVES At the end of the lecture, students should be able to: Describe the external anatomy of the
More informationCHAPTER 13 LECTURE OUTLINE
CHAPTER 13 LECTURE OUTLINE I. INTRODUCTION A. The spinal cord and spinal nerves mediate reactions to environmental changes. B. The spinal cord has several functions. 1. It processes reflexes. 2. It is
More informationChapter 13. The Spinal Cord & Spinal Nerves. Spinal Cord. Spinal Cord Protection. Meninges. Together with brain forms the CNS Functions
Spinal Cord Chapter 13 The Spinal Cord & Spinal Nerves Together with brain forms the CNS Functions spinal cord reflexes integration (summation of inhibitory and excitatory) nerve impulses highway for upward
More informationGross Anatomy of Lower Spinal Cord
Chapter 13 Spinal Cord, Spinal Nerves and Somatic Reflexes Spinal cord Spinal nerves Somatic reflexes Gross Anatomy of Lower Spinal Cord Meninges of Vertebra & Spinal Cord Spina Bifida Congenital defect
More informationSpinal Cord H. Ruth Clemo, Ph.D.
Spinal Cord H. Ruth Clemo, Ph.D. OBJECTIVES After studying the material of this lecture, the student should be familiar with: 1. Surface anatomy of the spinal cord. 2. Internal structure and organization
More informationChapter 14. The Nervous System. The Spinal Cord and Spinal Nerves. Lecture Presentation by Steven Bassett Southeast Community College
Chapter 14 The Nervous System The Spinal Cord and Spinal Nerves Lecture Presentation by Steven Bassett Southeast Community College Introduction The Central Nervous System (CNS) consists of: The spinal
More informationThe Spinal Cord and Spinal Nerves!
Chapter 13! The Spinal Cord and Spinal Nerves! SECTION 13-1! The brain and spinal cord make up the central nervous system, and the cranial nerves and spinal nerves constitute the peripheral nervous system!
More informationSynapse Homework. Back page last question not counted. 4 pts total, each question worth 0.18pts. 26/34 students answered correctly!
Synapse Homework Back page last question not counted 26/34 students answered correctly! 4 pts total, each question worth 0.18pts Business TASS hours extended! MWF 1-2pm, Willamette 204 T and Th 9:30-10:30am,
More informationSpinal Cord and Spinal Nerves. Spinal Cord. Chapter 12
Chapter 12 Spinal Cord and Spinal Nerves 1 Spinal Cord Extends from foramen magnum to second lumbar vertebra Segmented: Cervical, Thoracic, Lumbar & Sacral Gives rise to 31 pairs of spinal nerves Not uniform
More informationThe Spinal Cord, Spinal Nerves, and Spinal Reflexes
13 The Spinal Cord, Spinal Nerves, and Spinal Reflexes PowerPoint Lecture Presentations prepared by Jason LaPres Lone Star College North Harris An Introduction to the Spinal Cord, Spinal Nerves, and Spinal
More informationLab Activity 13. Spinal Cord. Portland Community College BI 232
Lab Activity 13 Spinal Cord Portland Community College BI 232 Definitions Tracts: collections of axons in CNS Nerves:collections of axons in PNS Ganglia: collections of neuron cell bodies in PNS Nucleus
More informationSpinal Cord Organization. January 12, 2011
Spinal Cord Organization January 12, 2011 Spinal Cord 31 segments terminates at L1-L2 special components - conus medullaris - cauda equina no input from the face Spinal Cord, Roots & Nerves Dorsal root
More informationGross Morphology of Spinal Cord
Gross Morphology of Spinal Cord Done By : Rahmeh Alsukkar ** I did my best and sorry for any mistake ** the sheet does not contain pictures, tables and some slides so please be careful and go back to slides
More informationChapter 14 Lecture Outline
Chapter 14 Lecture Outline See separate PowerPoint slides for all figures and tables preinserted into PowerPoint without notes. Copyright McGraw-Hill Education. Permission required for reproduction or
More informationWith other members of your lab group, discuss the following questions: - The spinal cord connects directly to which part of the brain?
BIOLOGY 211: HUMAN ANATOMY & PHYSIOLOGY ************************************************************************************************************************* SPINAL CORD, SPINAL NERVES, AND REFLEXES
More informationBIOH111. o Cell Module o Tissue Module o Skeletal system o Muscle system o Nervous system o Endocrine system o Integumentary system
BIOH111 o Cell Module o Tissue Module o Skeletal system o Muscle system o Nervous system o Endocrine system o Integumentary system Endeavour College of Natural Health endeavour.edu.au 1 Textbook and required/recommended
More informationGross Morphology of Spinal Cord
Gross Morphology of Spinal Cord Lecture Objectives Describe the gross anatomical features of the spinal cord. Describe the level of the different spinal segments compared to the level of their respective
More informationLecture 14: The Spinal Cord
Lecture 14: The Spinal Cord M/O Chapters 16 69. Describe the relationship(s) between the following structures: root, nerve, ramus, plexus, tract, nucleus, and ganglion. 70. Trace the path of information
More informationBIOH111. o Cell Module o Tissue Module o Integumentary system o Skeletal system o Muscle system o Nervous system o Endocrine system
BIOH111 o Cell Module o Tissue Module o Integumentary system o Skeletal system o Muscle system o Nervous system o Endocrine system Endeavour College of Natural Health endeavour.edu.au 1 Textbook and required/recommended
More informationIV. THE SPINAL CORD BLOOD SUPPLY
IV. THE SPINAL CORD Spinal cord is covered by o Pia Mater Spinalis Film Teminale Denticulate Ligament ---------------------- Cordotomy o Arachnoid Membrane Subarachnoid Space ----------------------- Lumbar
More informationTEST BANK FOR FUNDAMENTALS OF ANATOMY & PHYSIOLOGY 9TH EDITION BY MARTINI
Link download :https://testbankservice.com/download/test-bank-forfundamentals-of-anatomy-and-physiology-9th-edition-by-martini TEST BANK FOR FUNDAMENTALS OF ANATOMY & PHYSIOLOGY 9TH EDITION BY MARTINI
More informationSpinal Cord- Medulla Spinalis. Cuneyt Mirzanli Istanbul Gelisim University
Spinal Cord- Medulla Spinalis Cuneyt Mirzanli Istanbul Gelisim University Spinal Column Supports the skull, pectoral girdle, upper limbs and thoracic cage by way of the pelvic girdle. Transmits body weight
More informationHuman Anatomy - Problem Drill 11: The Spinal Cord and Spinal Nerves
Human Anatomy - Problem Drill 11: The Spinal Cord and Spinal Nerves Question No. 1 of 10 Instructions: (1) Read the problem statement and answer choices carefully, (2) Work the problems on paper as needed,
More informationTHE BACK. Dr. Ali Mohsin. Spinal Cord
Spinal Cord THE BACK Dr. Ali Mohsin The spinal cord is the elongated caudal part of the CNS. It starts as the inferior continuation of the medulla oblongata at the level of foramen magnum, & ends as an
More informationArterial Blood Supply
Arterial Blood Supply Brain is supplied by pairs of internal carotid artery and vertebral artery. The four arteries lie within the subarachnoid space Their branches anastomose on the inferior surface of
More informationLecturer. Prof. Dr. Ali K. Al-Shalchy MBChB/ FIBMS/ MRCS/ FRCS 2014
Lecturer Prof. Dr. Ali K. Al-Shalchy MBChB/ FIBMS/ MRCS/ FRCS 2014 Dorsal root: The dorsal root carries both myelinated and unmyelinated afferent fibers to the spinal cord. Posterior gray column: Long
More informationANATOMY OF THE SPINAL CORD. Structure of the spinal cord Tracts of the spinal cord Spinal cord syndromes
SPINAL CORD ANATOMY OF THE SPINAL CORD Structure of the spinal cord Tracts of the spinal cord Spinal cord syndromes The Nervous System Coordinates the activity of muscles, organs, senses, and actions Made
More informationThe Nervous System S P I N A L R E F L E X E S
The Nervous System S P I N A L R E F L E X E S Reflexes Rapid, involuntary, predictable motor response to a stimulus Spinal Reflexes Spinal somatic reflexes Integration center is in the spinal cord Effectors
More informationDepartment of Neurology/Division of Anatomical Sciences
Spinal Cord I Lecture Outline and Objectives CNS/Head and Neck Sequence TOPIC: FACULTY: THE SPINAL CORD AND SPINAL NERVES, Part I Department of Neurology/Division of Anatomical Sciences LECTURE: Monday,
More informationThe Spinal Cord & Spinal Nerves
The Spinal Cord & Spinal Nerves Together with brain forms the CNS Functions spinal cord reflexes integration (summation of inhibitory and excitatory) nerve impulses highway for upward and downward travel
More informationGeneral Sensory Pathways of the Trunk and Limbs
General Sensory Pathways of the Trunk and Limbs Lecture Objectives Describe gracile and cuneate tracts and pathways for conscious proprioception, touch, pressure and vibration from the limbs and trunk.
More informationTHE BACK THE SPINAL CORD
THE BACK THE SPINAL CORD The structures in the vertebral canal: the spinal cord spinal nerve roots spinal meninges the neurovascular structures THE SPINAL CORD The spinal cord occupies the superior 2/3
More informationIntroduction and Basic structural organization of the nervous system
Introduction and Basic structural organization of the nervous system **the slides are in bold and the book is in red Done by : razan krishan & marah marahleh INTRODUCTION The nervous system, along with
More informationThe functional Anatomy of the Nervous System. DR. OKSANA PETRICHKO Department of Human Anatomy
The functional Anatomy of the Nervous System DR. OKSANA PETRICHKO Department of Human Anatomy Coordination and Regulation of Body Systems Nervous system. Conducts nerve impulses maintaining homeostasis
More informationNERVOUS SYSTEM. Academic Resource Center. Forskellen mellem oscillator og krystal
NERVOUS SYSTEM Academic Resource Center Forskellen mellem oscillator og krystal Overview of the Nervous System Peripheral nervous system-pns cranial nerves spinal nerves ganglia peripheral nerves enteric
More informationThe Spinal Cord, Spinal Nerves, and Spinal Reflexes
12 The Spinal Cord, Spinal Nerves, and Spinal Reflexes Lecture Presentation by Lori Garrett Section 1: Functional Organization of the Spinal Cord Learning Outcomes 12.1 Describe how the spinal cord can
More informationSENSORY (ASCENDING) SPINAL TRACTS
SENSORY (ASCENDING) SPINAL TRACTS Dr. Jamila El-Medany Dr. Essam Eldin Salama OBJECTIVES By the end of the lecture, the student will be able to: Define the meaning of a tract. Distinguish between the different
More informationCheat Sheet Anatomy 2
Cheat Sheet Anatomy 2 - CNS è Brian and spinal cord - PNS è 12 Cranial/ 31 Spinal + associated ganglia - In Histological preparation è Myelin sheaths are lost leaving round empty spaces. - Gray matter
More informationSpinal cord. We have extension of the pia mater below L1-L2 called filum terminale
Spinal cord Part of the CNS extend from foramen magnum to the level of L1-L2 (it is shorter than the vertebral column) it is covered by spinal meninges. It is cylindrical in shape. It s lower end become
More informationHuman Anatomy and Physiology I Laboratory Spinal and Peripheral Nerves and Reflexes
Human Anatomy and Physiology I Laboratory Spinal and Peripheral Nerves and Reflexes 1 This lab involves the second section of the exercise Spinal Cord, Spinal Nerves, and the Autonomic Nervous System,
More informationSpinal nerves. Aygul Shafigullina. Department of Morphology and General Pathology
Spinal nerves Aygul Shafigullina Department of Morphology and General Pathology Spinal nerve a mixed nerve, formed in the vicinity of an intervertebral foramen, where fuse a dorsal root and a ventral root,
More informationPathways of proprioception
The Autonomic Nervous Assess Prof. Fawzia Al-Rouq Department of Physiology College of Medicine King Saud University Pathways of proprioception System posterior column& Spinocerebellar Pathways https://www.youtube.com/watch?v=pmeropok6v8
More informationThe Nervous System: Sensory and Motor Tracts of the Spinal Cord
15 The Nervous System: Sensory and Motor Tracts of the Spinal Cord PowerPoint Lecture Presentations prepared by Steven Bassett Southeast Community College Lincoln, Nebraska Introduction Millions of sensory
More informationLecture - Chapter 13: Central Nervous System
Lecture - Chapter 13: Central Nervous System 1. Describe the following structures of the brain, what is the general function of each: a. Cerebrum b. Diencephalon c. Brain Stem d. Cerebellum 2. What structures
More informationChapter 12b. Overview
Chapter 12b Spinal Cord Overview Spinal cord gross anatomy Spinal meninges Sectional anatomy Sensory pathways Motor pathways Spinal cord pathologies 1 The Adult Spinal Cord About 18 inches (45 cm) long
More informationThe CNS Part II pg
The CNS Part II pg. 455-474 Protection of the Brain Objectives Describe how the meninges, cerebrospinal fluid, and the blood brain barrier protect the CNS. Explain how Cerebrospinal fluid is formed, and
More informationBiology 218 Human Anatomy
Chapter 21 Adapted form Tortora 10 th ed. LECTURE OUTLINE A. Overview of Sensations (p. 652) 1. Sensation is the conscious or subconscious awareness of external or internal stimuli. 2. For a sensation
More informationPNS and ANS Flashcards
1. Name several SOMATIC SENSES Light touch (being touched by a feather), heat, cold, vibration, pressure, pain are SOMATIC SENSES. 2. What are proprioceptors; and how is proprioception tested? PROPRIOCEPTORS
More information4/5/2015. Peripheral nervous system (PNS)
Peripheral Nervous System Learn and Understand: Peripheral nerves connect the edges of the body and outside world to the CNS. Most nerves carry specific types of information to/from specific locations.
More informationChapter 12. APR Enhanced Lecture Slides
Chapter 12 APR Enhanced Lecture Slides See separate PowerPoint slides for all figures and tables pre-inserted into PowerPoint without notes and animations. Copyright The McGraw-Hill Companies, Inc. Permission
More informationAnatomy of the Nervous System. Brain Components
Anatomy of the Nervous System Brain Components NERVOUS SYSTEM INTRODUCTION Is the master system of human body, controlling the functions of rest of the body systems Nervous System CLASSIFICATION A. Anatomical
More informationChapter 13. The Nature of Muscle Spindles, Somatic Reflexes, and Posture
Chapter 13 The Nature of Muscle Spindles, Somatic Reflexes, and Posture Nature of Reflexes A reflex is an involuntary responses initiated by a sensory input resulting in a change in the effecter tissue
More informationSpinal Cord Tracts DESCENDING SPINAL TRACTS: Are concerned with somatic motor function, modification of ms. tone, visceral innervation, segmental reflexes. Main tracts arise form cerebral cortex and others
More informationLecture VIII. The Spinal Cord, Reflexes and Brain Pathways!
Reflexes and Brain Bio 3411! Monday!! 1! Readings! NEUROSCIENCE 5 th ed: Review Chapter 1 pp. 11-21;!!Read Chapter 9 pp. 189-194, 198! THE BRAIN ATLAS 3 rd ed:! Read pp. 4-17 on class web site! Look at
More informationHuman Anatomy Biology 351
nnnnn 1 Human Anatomy Biology 351 Exam #2 Please place your name on the back of the last page of this exam. You must answer all questions on this exam. Because statistics demonstrate that, on average,
More informationCranial Nerves and Spinal Cord Flashcards
1. Name the cranial nerves and their Roman numeral. 2. What is Cranial Nerve I called, and what does it 3. Scientists who are trying to find a way to make neurons divide to heal nerve injuries often study
More informationPosterior White Column-Medial Lemniscal Pathway
Posterior White Column-Medial Lemniscal Pathway Modality: Discriminative Touch Sensation (include Vibration) and Conscious Proprioception Receptor: Most receptors except free nerve endings Ist Neuron:
More informationUnit Three. The brain includes: cerebrum, diencephalon, brain stem, & cerebellum. The brain lies within the cranial cavity of the skull.
Human Anatomy & Physiology 11 Divisions of the Nervous System Karen W. Smith, Instructor Unit Three BRAIN & SPINAL CORD Refer to the following URLs. Be sure to study these along with your book. http://www.sirinet.net/~jgjohnso/nervous.html
More informationNervous System: Spinal Cord and Spinal Nerves (Chapter 13)
Nervous System: Spinal Cord and Spinal Nerves (Chapter 13) Lecture Materials for Amy Warenda Czura, Ph.D. Suffolk County Community College Eastern Campus Primary Sources for figures and content: Marieb,
More informationCerebral hemisphere. Parietal Frontal Occipital Temporal
Cerebral hemisphere Sulcus / Fissure Central Precental gyrus Postcentral gyrus Lateral (cerebral) Parieto-occipital Cerebral cortex Frontal lobe Parietal lobe Temporal lobe Insula Amygdala Hippocampus
More informationPain classifications slow and fast
Pain classifications slow and fast Fast Pain Slow Pain Sharp, pricking (Aδ) fiber Short latency Well localized Short duration Dull, burning (C) fiber Slower onset Diffuse Long duration Less emotional Emotional,
More informationMeninges. Connective tissue membranes
Meninges Connective tissue membranes Dura mater: -outermost layer; continuous with epineuriumof the spinal nerves - dense irregular connective tissue - from the level of the foramen magnum to S2 Arachnoid
More informationOrganization of The Nervous System PROF. SAEED ABUEL MAKAREM
Organization of The Nervous System PROF. SAEED ABUEL MAKAREM Objectives By the end of the lecture, you should be able to: List the parts of the nervous system. List the function of the nervous system.
More informationFaculty of Dental Medicine and Surgery. Sem 4 Peripheral nervous system and nerve plexus Dr. Abbas Garib Alla
Faculty of Dental Medicine and Surgery Sem 4 Peripheral nervous system and nerve plexus Dr. Abbas Garib Alla PNS Terminology Ganglia neuron cell bodies Peripheral nerves neuronal axons PNS neuroglia Satellite
More informationSpinal nerves and cervical plexus Prof. Abdulameer Al Nuaimi. E mail: a.al E. mail:
Spinal nerves and cervical plexus Prof. Abdulameer Al Nuaimi E mail: a.al nuaimi@sheffield.ac.uk E. mail: abdulameerh@yahoo.com Branches of ophthalmic artery Muscles of face A spinal nerve Spinal
More informationBrachial plexuses and axillary lymph nodes
Brachial plexuses and axillary lymph nodes Introduction about nervous system nervous system central nervous system periphral nervous system brain spinal cord 31 pairs of spinal nerves 12 paris of cranial
More informationLab # 2: Spinal Cord & Nerves, Reflexes and General Senses. A & P II Spring, 2014
Lab # 2: Spinal Cord & Nerves, Reflexes and General Senses A & P II Spring, 2014 Objectives Be able to identify specified spinal cord structures and spinal nerves on models Be familiar with spinal nerve
More informationCentral Nervous System: Part 2
Central Nervous System: Part 2 1. Meninges 2. CSF 3. Spinal Cord and Spinal Nerves Explain spinal cord anatomy, including gray and white matter and meninges (give the general functions of this organ).
More informationCopy Right Hongqi ZHANG Department of Anatomy Fudan University 1. Systematic Anatomy. Nervous system Spinal cord. Dr.Hongqi Zhang ( 张红旗 )
Systematic Anatomy Nervous system Spinal cord Dr.Hongqi Zhang ( 张红旗 ) Email: zhanghq58@126.com 1 Spinal cord Central nervous system (CNS) Brain Telencephalon Diencephalon Cerebellum Brain stem 1-Midbrain
More informationAnatomy and Physiology 1 Chapters 12 and 13 self quiz Pro, Dima Darwish,MD.
Anatomy and Physiology 1 Chapters 12 and 13 self quiz Pro, Dima Darwish,MD. 1) Which of the following is a function of the nervous system? A) sense the internal and external environments B) integrate sensory
More informationChapter 9. Nervous System
Chapter 9 Nervous System Central Nervous System (CNS) vs. Peripheral Nervous System(PNS) CNS Brain Spinal cord PNS Peripheral nerves connecting CNS to the body Cranial nerves Spinal nerves Neurons transmit
More informationMotor tracts Both pyramidal tracts and extrapyramidal both starts from cortex: Area 4 Area 6 Area 312 Pyramidal: mainly from area 4 Extrapyramidal:
Motor tracts Both pyramidal tracts and extrapyramidal both starts from cortex: Area 4 Area 6 Area 312 Pyramidal: mainly from area 4 Extrapyramidal: mainly from area 6 area 6 Premotorarea: uses external
More informationNERVOUS SYSTEM ANATOMY
INTRODUCTION to NERVOUS SYSTEM ANATOMY M1 - Gross and Developmental Anatomy Dr. Milton M. Sholley Professor of Anatomy and Neurobiology and Dr. Michael H. Peters Professor of Chemical and Life Science
More informationChapter 13 PNS and reflex activity
Chapter 13 PNS and reflex activity I. Peripheral nervous system A. PNS links CNS to the body B. Sensory: the afferent division C. Motor: the efferent division D. Ganglia: collections of cell bodies in
More informationOverview. Spinal Anatomy Spaces & Meninges Spinal Cord. Anatomy of the dura. Anatomy of the arachnoid. Anatomy of the spinal meninges
European Course in Neuroradiology Module 1 - Anatomy and Embryology Dubrovnik, October 2018 Spinal Anatomy Spaces & Meninges Spinal Cord Johan Van Goethem Overview spinal meninges & spaces spinal cord
More informationSomatosensory System. Steven McLoon Department of Neuroscience University of Minnesota
Somatosensory System Steven McLoon Department of Neuroscience University of Minnesota 1 Course News Dr. Riedl s review session this week: Tuesday (Oct 10) 4-5pm in MCB 3-146B 2 Sensory Systems Sensory
More informationLaboratory 08 Peripheral Nervous System
Laboratory 08 Peripheral Nervous System Goals: Structure and function of the cranial nerves. 1. List the cranial nerves by name and number. 2. Describe the specific functions of each of the cranial nerves
More information*Our main subject is the brachial plexus but it's important to understand the spinal cord first in order to understand the brachial plexus.
*Our main subject is the brachial plexus but it's important to understand the spinal cord first in order to understand the brachial plexus. *Vertebral column is formed by the union of 33 sequential vertebrae
More informationThe Nervous System PART A
7 The Nervous System PART A PowerPoint Lecture Slide Presentation by Jerry L. Cook, Sam Houston University ESSENTIALS OF HUMAN ANATOMY & PHYSIOLOGY EIGHTH EDITION ELAINE N. MARIEB Structural Classification
More informationNervous System. Part Two
Nervous System Part Two CNS: Spinal Cord Protected by bone, fluid, & membranes Composed of gray and white matter Serves as conduction pathway btwn brain and peripheral nerves Extends from base of brain
More informationCHAPTER 11: NERVOUS SYSTEM II: DIVISIONS OF THE NERVOUS SYSTEM. 1. Outline the major divisions of the nervous system.
CHAPTER 11: NERVOUS II: DIVISIONS OF THE NERVOUS OBJECTIVES: 1. Outline the major divisions of the nervous system. NERVOUS CENTRAL NERVOUS (BRAIN & SPINAL CORD) (INTERNEURONS) PERIPHERAL NERVOUS (CRANIAL
More informationThe Nervous System An overview
Nervous System The Nervous System An overview Includes Nerve tissue Sense organs Functions to Sense environment Process information it receives Respond to information 1 Copyright 2009 Pearson Education,
More informationDendrites Receive impulse from the axon of other neurons through synaptic connection. Conduct impulse towards the cell body Axon
Dendrites Receive impulse from the axon of other neurons through synaptic connection. Conduct impulse towards the cell body Axon Page 22 of 237 Conduct impulses away from cell body Impulses arise from
More informationThe Nervous System PART C. PowerPoint Lecture Slide Presentation by Patty Bostwick-Taylor, Florence-Darlington Technical College
PowerPoint Lecture Slide Presentation by Patty Bostwick-Taylor, Florence-Darlington Technical College The Nervous System 7 PART C Protection of the Central Nervous System Scalp and skin Skull and vertebral
More informationNERVOUS SYSTEM ANATOMY
NTRODUCTON to NERVOUS SYSTEM ANATOMY M1 - Gross and Developmental Anatomy Dr. Milton M. Sholley Professor of Anatomy and Neurobiology and Dr. Michael H. Peters Professor of Chemical and Life Science Engineering
More informationMedical Neuroscience Tutorial
Pain Pathways Medical Neuroscience Tutorial Pain Pathways MAP TO NEUROSCIENCE CORE CONCEPTS 1 NCC1. The brain is the body's most complex organ. NCC3. Genetically determined circuits are the foundation
More informationGroup of students. - Rawan almujabili د. محمد المحتسب - 1 P a g e
- 14 - Group of students - Rawan almujabili د. محمد المحتسب - 1 P a g e Nerves of the posterior abdominal wall The spinal cord gives off spinal nerves between the vertebrae. In the abdomen, through the
More informationNeuroanatomy. OBJECTIVES After reading this chapter, the student will be able to CHAPTER
CHAPTER 2 Neuroanatomy OBJECTIVES After reading this chapter, the student will be able to 1. Differentiate between the central and peripheral nervous systems. 2. Identify significant structures within
More informationNervous System. Overview, Tissues and Spinal Nerves
Nervous System Overview, Tissues and Spinal Nerves neurology - study of the nervous system - nervous system and endocrine system work together to maintain homeostasis - More than 80 major nerves and billions
More information