Aortic notch
aortic notch
aortic notch n.
a slight notch in a sphygmographic tracing caused by rebound from the closure of the aortic valves.
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- 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 p-ssing 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 sp-ce between each semilunar valve and the wall of the aorta.
- Aortic stenosis
abnormal narrowing of the aorta, especially of its orifice, usually as a result of rheumatic fever or embryologic anomalies. historical examples aortic stenosis, the rarest of the valvular lesions, is practically always accompanied by high pressure picture. arteriosclerosis and hypertension: louis marshall warfield aortic stenosis n. pathological narrowing of the orifice of the aortic valve.