Aortic Sinus

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

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.

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In all the specimens, the RCA arose from the right aortic sinus and traversed the coronary sulcus before giving rise to the PIB on the posterior surface of the heart.
Frozen aortic sinus sections were stained with 2 [micro]M dihydroethidium (DHE) (ThermoFisher Scientific) in PBS and were analyzed immediately using a fluorescence microscope.
In this study, single ostium was the most frequent findings (78%), double ostia were seen in 20 hearts (20%), three ostia were seen in two cases (2%) at anterior aortic sinus (Figure 1).
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.
In the second case, the right coronary artery was originating from the left aortic sinus from its mid portion and emerged on the sternocostal surface by passing between ascending aorta and pulmonary trunk, reached the atrioventricular sulcus and had a normal course thereafter.
Coronary artery angiography was performed prior to RFCA at the CVS or aortic sinus to confirm the distance from the ablation catheter tip to the coronary artery.
The pathological anatomy of deficiencies between the aortic root and the heart, including aortic sinus aneurysms.
The right coronary artery arises from the anterior coronary sinus and the left coronary artery from the left posterior aortic sinus.
4 Composite aortic sinus of Valsalva graft type of biological valve prosthesis;
SUMMARY: A third coronary artery (TCA) has been defined as a direct branch from the right aortic sinus (RAS) that contributes to the vascularization of the infundibulum of the right ventricle (RV).