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Test 2
| Term | Definition |
|---|---|
| Accessory hemiazygous vein | Vein collecting blood from the cranial five intercostal veins on the L side; empties into azygous vein |
| Accessory obturator nerve | branch of the lumbar plexus emerging from the medial side of psoas major & crossing to the sup pubic ramus to supply part of the pectineus musc |
| Anterior interventricular artery | Descending branch of the L coronary art in the ant interventricular sulcus; the greater cardiac vein accompanies this artery. |
| Aorta | Arises from the L ventricle; |
| Aortic semilunar valve | 3-cusped valve at the jxn of the L ventricle & aorta, just inf to the coronary arteries |
| Arcuate ligaments | tendinous arches of the posterior abdom wall connected to the diaphragm & the transv processes of the vert |
| Ascending colon | 1st part of the colon ascending along the R side of the abdom |
| Atrioventricular sulcus | surf groove on the ant wall of the heart indicating the boundary between the atrium & ventricle |
| Auricle | scalloped extension from the L side of each atrium |
| Azygous vein | vein ascending along R side of the thoracic vert collecting blood from the intercostal spaces & emptying into the sup vena cava |
| Bare area of the liver | area of the sup surf of the liver that is not covered by the peritoneum and is in direct contact w/ the diaphragm |
| Bicuspid/mitral valve | AV valve on the L side of the heart |
| (Common) Bile duct | conduit of bile; arises at the jxn of the cystic & the cmn hepatic ducts and terminating in the duodenum; in hepatoduodenal ligament ant to the portal vein |
| Brachiocephalic artery | 1st branch of aortic arch; divides into R subclavian & R cmn carotid arteries |
| Brachiocephalic veins | paired vessels formed by the joining of the internal jugular & subclavian veins on both sides; merges to create the sup vena cava |
| Bronchopulmonary segments | fxn'l divisions of the lobes of the lungs identifiable by tracing the tertiary bronchi |
| Bronchus | primary division of the trachea; services 1 lung |