49a A&P: Nervous System -! Synaptic Transmission and Central Nervous System
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1 49a A&P: Nervous System -! Synaptic Transmission and Central Nervous System
2 49a A&P: Nervous System -! Synaptic Transmission and Central Nervous System! Class Outline" 5 minutes" "Attendance, Breath of Arrival, and Reminders " 10 minutes "Lecture:" 25 minutes "Lecture:" 15 minutes "Active study skills:" 60 minutes "Total"
3 49a A&P: Nervous System -! Synaptic Transmission and Central Nervous System! Class Reminders" Assignments:!! 50b Target Market Analysis (due before class starts)"! 50b Strategies and Tactics (you will do this assignment in class)"! 50b Watch the webinar listed on A-13 for this class"! 50b Bring your laptop or ipad to this class"! 53a Internship Orientation Review Questions (due before class starts)"! 55a Review Questions (due before class starts)" Quizzes:!! 51b Kinesiology Quiz (brachialis, brachioradialis, flexor digitorum superficialis, and extensor digitorum)" Preparation for upcoming classes:"! 50a A&P: Nervous System - Peripheral Nervous System" Trail Guide: extensor digitorum" Salvo: Pages " Packet E: " Packet A-171"! 50b Business: Marketing and Website"
4 Classroom Rules" Punctuality - everybody s time is precious"! Be ready to learn at the start of class; we ll have you out of here on time"! Tardiness: arriving late, returning late after breaks, leaving during class, leaving early" The following are not allowed:!! Bare feet"! Side talking"! Lying down"! Inappropriate clothing"! Food or drink except water"! Phones that are visible in the classroom, bathrooms, or internship" You will receive one verbal warning, then you ll have to leave the room.!
5 A" O" I" Anterior View"
6 A" O" I" Anterior View"
7 A" O" I" Anterior View"
8 A" O" I" Anterior View"
9 49a A&P: Nervous System -! Synaptic Transmission and Central Nervous System! Packet E-101"
10 Synapse Synapse" Synaptic bulb" Synaptic cleft" Synaptic vesicle"
11 Synapse Synapse Junction between two neurons or between a neuron and a "muscle or gland."
12 Synaptic Structures Synaptic bulb Small bulb-like structure on the ends of telodendria." Contains synaptic vesicles."
13 Synaptic Structures Synaptic cleft (AKA: synaptic gap) Space between two neurons, or between a neuron and a muscle or gland."
14 Synaptic Structures Synaptic vesicle Sac-like structure located within the synaptic bulbs that "contains neurotransmitters."
15 Synaptic Transmission 1. A nerve impulse travels down an axon to a synaptic bulb."
16 Synaptic Transmission 2. Neurotransmitters travel across the synaptic cleft."
17 Synaptic Transmission 3. The neurotransmitters bind with receptor sites which bring about either an excitatory or inhibitory response depending on which neurotransmitter is being used."
18 Neurotransmitters Neurotransmitter Collective term for chemical messengers involved in nerve impulse transmission." Some examples:" Acetylcholine "muscle contraction " Epinephrine "regulates fight or flight" Histamine "inflammatory responses" Endorphins "pain-reduction" Et cetera.... "
19 Brain Brain Central nervous system organ that contains an estimated 100 billion cells and is divided into 4 major regions."
20 Cerebrum Cerebrum Largest part of the brain. Where vision, smell, taste, and body movements are consciously perceived. Where skeletal muscle movements are initiated. Where emotional and intellectual processes occur."
21 Cerebrum Limbic system Part of the cerebrum that governs emotional aspects of behavior needed for survival, such as sexual feelings, rage, and docility."
22 Cerebrum Sulci (s. sulcus) Grooves in the outer layer of the cerebrum." Gyri (s. gyrus) Elevated ridges of cerebrum tissue."
23 Cerebrum Corpus callosum Large fibrous bundles of transverse fibers which provide a communication pathway for impulses to move from one hemisphere to the other. "
24 Cerebrum Left hemisphere Cerebral hemisphere that specializes in:" Receptive and expressive language" Math" Reasoning" Analytical skills"
25 Cerebrum Right hemisphere Cerebral hemisphere that specializes in:" Sound perception" Art" Emotional expression" Perception and visualization of spatial relationships"
26 Cerebrum Frontal Lobe Cerebral lobe that regulates: " Motor output" Cognition" Speech production (Broca s area, left hemisphere)"
27 Cerebrum Parietal lobe Cerebral lobe that governs somatosensory input (particularly skin and muscles), and receives information about:" Proprioception" Reading " Taste"
28 Cerebrum Temporal lobe Cerebral lobe that houses:" Auditory areas" Olfactory areas" Wernicke area (language comprehension, left hemisphere)"
29 Cerebrum Occipital lobe Cerebral lobe that contains centers for visual input. "
30 Cerebrum Diencephalon Part of the brain that houses the thalamus and the hypothalamus. Also includes the pituitary and pineal glands. "
31 Cerebrum Thalamus Part of the diencephalon that relays sensory information (except olfaction) to appropriate parts of the cerebrum. "
32 Cerebrum Hypothalamus Part of the diencephalon that governs and regulates the autonomic nervous system and pituitary gland. Controls:" Hunger" Thirst" Temperature" Anger" Aggression" Hormone release" Sexual behavior" Sleep patterns" Consciousness"
33 Cerebrum Pituitary Bi-lobed gland that extends from the hypothalamus. Its hormones control and stimulate other glands to produce and secrete their hormones. Sits in the sella turcica of the sphenoid."
34 Cerebrum Pineal Gland located on the posterior aspect of the brain s diencephlon. Produces and secretes melatonin."
35 Cerebellum Cerebellum Second largest part of the brain. Located posterior and inferior to the cerebrum. Involved with:" Muscle tone! Coordination of skeletal muscles! Balance! Control of fine and gross motor skills "
36 Brainstem Brainstem Part of the brain that is continuous with the spinal cord. Has three main divisions:" "Mid-brain" "Pons" "Medulla oblongata"
37 Brainstem Mid-brain Part of the brain stem that conducts: " Nerve impulses from the cerebrum to the pons! Sensory impulses from the spinal cord to the thalamus"
38 Brainstem Pons Part of the brainstem that connects the cerebellum and cerebrum to the spinal cord."
39 Brainstem Medulla oblongata Part of the brainstem that conducts sensory and motor impulses between other parts of the brain and the spinal cord."
40 49a A&P: Nervous System -! Synaptic Transmission and Central Nervous System"
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