aortic sinus


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Related to aortic sinus: carotid sinus, aortic body, Sinus of Valsalva

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.

a·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 spaces
Petit 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 coli
Valsalva antrum - a cavity in the petrous portion of the temporal bone. Synonym(s): mastoid antrum
Valsalva ligaments - the three ligaments that attach the auricle to the side of the head. Synonym(s): auricular ligaments
Valsalva 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 muscle
Valsalva 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 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.
References in periodicals archive ?
Detecting the number of supernumerary coronary arteries, quantity and place of opening the aortic sinus on the findings of coronary angiography, as well as correct interpretation, certainly affect the preoperative preparation and the type of cardiac intervention.
Another case of family 2, the pro-band and his young brother, though with a predominant dilated aortic sinus and LV enlargement (latent LV dysfunction, valvular insufficiency, and subsequent worse prognosis after surgery (Figure 4), have a survival time free of dissection until now.
We further analyzed the plaque size and components in cross-sections of the aortic sinus. Here, although we observed increased plaque size in all groups, only NaAs[O.sub.2] was statistically significant (Figure 1B; p = 0.07 for MMA V vs.
Single ostium was seen in 99 (99%) and only one case showed double ostia (1%) at left posterior aortic sinus (Table 1).
Further, astaxanthin obviously raised plasma HDL-C level and alleviated the plaque area of the aortic sinus and the cholesterol content of the aorta in the atherosclerotic Apo[E.sup.-/-] mice.
Repetitive monomorphic ventricular tachycardia originating from the aortic sinus cusp: electrocardiographic characterization for guiding catheter ablation.
Similar findings were also obtained for en face preparations of the whole aorta (Supplemental Figure 2) and the plaque area in histological sections of the aortic sinus (Figure 4(b)).
For localization of TLR4 expression, TLR4 (1: 50; Novus) and anti-F4/80 (1: 100; Abcam) were used by immunofluorescence staining for tissue macrophages in lung sections and plaques in aortic sinus.
In this rare anomaly, the LCA arises from the right aortic sinus, and the RCA arises from the left aortic sinus.
In all instances, LCA arose from the left posterior aortic sinus and extended to the left behind the pulmonary trunk for a mean distance of 5 mm and divided into anterior interventricular and CX arteries (Fig.
The coronary artery anomalies that have been associated with potentially serious sequelae include: 1) ectopic coronary origin from the pulmonary artery; 2) ectopic coronary origin from the opposite aortic sinus; 3) single coronary artery; and 4) large coronary fistulae.
pneumoniae infection accelerated the development of atherosclerotic lesions in the aortic sinus (44,47).