| Term 
 
        | the vertebral vein and artery in the thorax runs in the ___ ___ of __ vertebrae. |  | Definition 
 
        | - transverse foramen of cervical vertebrae |  | 
        |  | 
        
        | Term 
 
        | the ascending aorta is in the ___ ___ , while the descending aorta is in the ___ ___. |  | Definition 
 
        | - middle mediastinum - posterior mediastinum
 |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | - brachiocephalic trunk (right only) - common carotid artery
 - subclavian artery
 |  | 
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        | Term 
 
        | the pulmonary trunk leaves the ___ ___. |  | Definition 
 | 
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        | Term 
 
        | ligamentum arteriosum is remnant of embryonic ___ ___. |  | Definition 
 | 
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        | Term 
 
        | blood in the pulmonary trunk is ___ and is on the way to the lungs to get oxygen. |  | Definition 
 | 
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        | Term 
 | Definition 
 
        | Epicardium visceral layer (serous pericardium)
 often very fatty
 Myocardium
 primarily cardiac muscle
 layer of contraction
 forms the bulk of the heart
 Endocardium
 sheet of endothelium (squamous epithelium)
 lines the heart chambers
 covers the valves (glistens)
 continuous with endothelium of blood vessels
 |  | 
        |  | 
        
        | Term 
 
        | Sternocostal anterior surface of heart: |  | Definition 
 
        | formed mainly by right atrium and right ventricle left border formed by left ventricle
 |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | Formed by right and left ventricles also the inferior surface of the right atrium
 |  | 
        |  |