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DictionarySeeaorticAortic Sinus
Sinus, Aortic (1) In mammals (excluding man), the initial, dilated part of the ascending aorta; the same as the bulbus arteriosis. (2) In man, part of the cavity of the bulb of the aorta, located between the semilunar valve and the aortic wall. aortic sinus
a·or·tic si·nus [TA] the space between the superior aspect of each cusp of the aortic valve and the dilated portion of the wall of the ascending aorta, immediately above each cusp. Synonym(s): sinus aortae [TA], Petit sinus, Valsalva sinusa·or·tic si·nus (ā-ōr'tik sī'nŭs) [TA] The space between the superior aspect of each cusp of the aortic valve and the dilated portion of the wall of the ascending aorta, immediately above each cusp. Petit, François du, French surgeon and anatomist, 1664-1741. Petit canals - the spaces between the fibers of the ciliary zonule at the equator of the lens of the eye. Synonym(s): zonular spacesPetit sinus - the space between the superior aspect of each cusp of the aortic valve and the dilated portion of the wall of the ascending aorta. Synonym(s): aortic sinus
Valsalva, Antonio M., Italian anatomist, 1666-1723. aneurysm of sinus of Valsalva - a congenital thin-walled tubular out-pouching usually in the right or noncoronary sinus with an entirely intracardiac course.teniae of Valsalva - the three bands in which the longitudinal muscular fibers of the large intestine, except the rectum, are collected. Synonym(s): teniae coliValsalva antrum - a cavity in the petrous portion of the temporal bone. Synonym(s): mastoid antrumValsalva ligaments - the three ligaments that attach the auricle to the side of the head. Synonym(s): auricular ligamentsValsalva maneuver - any forced expiratory effort against a closed airway.Valsalva muscle - a band of vertical muscular fibers on the outer surface of the tragus of the ear. Synonym(s): tragicus muscleValsalva sinus - the space between the superior aspect of each cusp of the aortic valve and the dilated portion of the wall of the ascending aorta. Synonym(s): aortic sinusValsalva test - when the heart is monitored during the Valsalva maneuver, there is a characteristic complex sequence of cardiocirculatory events, departure from which indicates disease or malfunction. |