Welcome to the Structure & Development Dissector. Section I

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1 Welcome to the Structure & Development Dissector The vast majority of questions will be drawn from structures present in the checklist; however, we reserve the right to use a structure or two that is not on the checklist (a non-checklist structure would have been discussed in the dissector or have a reasonable deductive expectation from your lecture knowledge). LAB 01 - The Back: Superficial LAB 02 - The Back: Deep LAB 03 - Laminectomy LAB 04 - Breast & Anterior Thoracic Wall Section I LAB 05 - Chest Plate & Undisturbed Thorax LAB 06 - Lung & Root of Lung LAB 07 - Superior Mediastinum LAB 08 - Middle Mediastinum LAB 09 - Coronary Vessels LAB 10 - Chambers of the Heart LAB 11 - Posterior Mediastinum Authored by A.C. Puche, Ph.D.

2 Scapula Acromion Spine Superior angle Inferior angle Vertebral border Pelvic bone Iliac crest Posterior superior iliac spine Vertebra Spinous process Vertebra prominens Skull External occipital protuberance Mastoid process Skin Epidermis Dermis Hypodermis (superficial fascia) Deep fascia Thoracolumbar fascia LAB 01 - The Back: Superficial Scapula Acromion Spine Superior angle Inferior angle Vertebral border Pelvic bone Iliac crest Posterior superior iliac spine Vertebra Spinous process Skull External occipital protuberance Trapezius muscle Latissimus dorsi muscle Serratus posterior inferior muscle Erector spinae muscles Spinalis muscle Longissimus muscle Iliocostalis muscle Gluteus maximus muscle Thoracolumbar fascia Ligamentum nuchae Semispinalis capitis muscle Greater occipital nerve LAB 02 - The Back: Deep

3 LAB 03 Laminectomy Vertebral column Vertebra Spinous process Laminae Transverse process Pedicles Superior articular process & facet Inferior articular process & facet Intervertebral disks Intervertebral foramen Spinal curvatures Joints Costovertebral joint Costotransverse joint Intervertebral synovial joint Ligaments Interspinous ligament Supraspinous ligament Epidural space (fat and venous plexus) Meninges Dura mater Arachnoid mater Subarachoid space Pia mater Denticulate ligament Spinal cord Conus medullaris Filum terminale Lumbar cistern Cauda equina Dorsal nerve rootlets Ventral nerve rootlets Dorsal root ganglion Spinal nerve

4 LAB 04 - Breast & Anterior Thoracic Wall Sternum Manubrium Body of the sternum Xiphoid process Jugular notch Sternoclavicular joint Ribs Costal margin Costal Angle Sternocostal joints Breast Nipple Areola Suspensory ligaments (Cooper's ligaments) Lactiferous ducts Pectoralis major muscle Pectoralis minor muscle Serratus anterior muscle Medial pectoral nerve Trapezius muscle Sternocleidomastoid muscle External jugular vein Sternum Manubriosternal joint Sternocostal joints Ribs Costal cartilage Costal groove Marrow chamber Intercostal spaces Clavicle Sternoclavicular joint LAB 05 - Chest Plate & Undisturbed Thorax External intercostal muscle External intercostal membrane Internal intercostal muscle Innermost intercostal muscle Transversus thoracis muscle Internal thoracic artery & vein Anterior intercostal artery Anterior intercostal vein Neurovascular plane Intercostal nerves Intercostal artery Intercostal vein Lung (left and right) Heart Parietal pleura Visceral pleura

5 LAB 06 - Lung & Root of Lung Parietal pleura (costal, diaphragmatic, mediastinal, cervical) Visceral pleura Costodiaphragmatic recess Phrenic nerves Left Lung Superior lobe Inferior lobe Oblique fissure Apex Lingula Cardiac impression Aortic impression Pulmonary ligament Bronchus Pulmonary vein Pulmonary artery Lymph nodes Bronchial artery Right Lung Superior lobe Middle lobe Inferior lobe Horizontal fissure Oblique fissure Apex Pulmonary ligament Bronchus Pulmonary vein Pulmonary artery Lymph nodes Bronchial artery Thymus (fatty remnant) LAB 07 - Superior Mediastinum Great Vessels Superior vena cava Left brachiocephalic vein Right brachiocephalic vein Azygos vein Arch of the azygos vein Aortic arch Brachiocephalic artery Right common carotid artery Right subclavian artery Left common carotid artery Left subclavian artery Pulmonary trunk Ligamentum arteriosum Nerves Left vagus nerve Left recurrent laryngeal nerve Right vagus nerve Left phrenic nerve Right phrenic nerve Superficial cardiac plexus

6 Great Vessels Superior vena cava Inferior vena cava Aorta Pulmonary artery Pulmonary veins Heart Left and right atria Left and right ventricles Atrioventricular sulcus Anterior interventricular sulcus Posterior interventricular sulcus Right auricle Left auricle Apex of the heart Conus arteriosus Valves Aortic tricuspid valve Posterior, left, and right cusps Pulmonary artery tricuspid valve Anterior, left and right cusps Left coronary artery opening Right coronary artery opening Pericardium Fibrous Parietal Visceral Transverse sinus Oblique sinus Trachea Carina Left and right main stem bronchi Superficial cardiac plexus Deep cardiac plexus LAB 08 - Middle Mediastinum LAB 09 - Coronary Vessels Coronary arteries Right coronary artery Sinuatrial nodal artery Right marginal artery Posterior interventricular artery Left coronary artery Circumflex artery Left marginal artery Anterior interventricular artery Coronary veins Anterior cardiac veins Coronary sinus Great cardiac vein Oblique vein Middle cardiac vein Small cardiac vein

7 LAB 10 - Chambers of the Heart Right atrium Pectinate muscles Crista terminalis Opening of the superior vena cava Opening of the inferior vena cava Opening of the coronary sinus Sinus venarum Right atrioventricular (tricuspid) valve Fossa ovalis Right auricle Right ventricle Chordae tendineae Papillary muscles (anterior, posterior and septal) Trabeculae carneae Septomarginal trabeculae (moderator band) Pulmonary valve Conus arteriosus Right atrioventricular (tricuspid) valve cusps Anterior, posterior, and septal Left atrium Openings of the four pulmonary veins Fossa ovalis Left atrioventricular (bicuspid or mitral) valve Left auricle Left ventricle Left atrioventricular (mitral) valve cusps Anterior and posterior Chordae tendineae Papillary muscles (anterior and posterior) Trabeculae carneae Interventricular septum Muscular and membranous Esophagus Descending aorta Intercostal branches Esophageal branches LAB 11 - Posterior Mediastinum Vagus Vagus nerve (left and right) Esophageal nerve plexus Vagal trunk (anterior and posterior) Hemiazygos vein Accessory hemiazygos vein Sympathetic trunk (chain) Sympathetic ganglia Gray and white rami communicantes Greater splanchnic nerve Thoracic duct Intercostal neurovascular bundle Posterior intercostal vein Posterior intercostal artery Intercostal nerve Diaphragm Caval opening Esophageal hiatus Aortic hiatus

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