aortic notch n.
A slight notch in a sphygmographic tracing caused by rebound from the closure of the aortic valves.
- Aortic plexus
aortic plexus aortic plexus n. A plexus of lymph nodes and connecting vessels lying along the lower portion of the abdominal aorta. An autonomic plexus surrounding the abdominal aorta and continuous with the thoracic aortic plexus; abdominal aortic plexus. An autonomic plexus surrounding the thoracic aorta and passing with it through the aortic opening in […]
- Aortic ostium
aortic ostium aortic ostium n. The opening from the left ventricle of the heart into the ascending aorta, guarded by the aortic valve.
- Aortic septal defect
aortic septal defect aortic septal defect n. A small congenital opening between the aorta and pulmonary artery just above the semilunar valves. Also called aorticopulmonary septal defect.
- Aortic sinus
aortic sinus aortic sinus n. The space between each semilunar valve and the wall of the aorta.