Aortic Sinus

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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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1989) reported that coronary arteries develop through ingrowth of the vessels by demonstrating that the coronary arteries could be identified in the walls of the aortic sinuses before the formation of the coronary orifices.
13] Interventional cardiologists must be aware of the presence of multiple ostia in anterior aortic sinuses before doing procedures like right ventriculotomy for ventricular septal defect or pulmonary stenosis.
Sinus of Valsalva aneurysm, dilatation of one or more of the aortic sinuses, is a rare but important aortic root defect, which can be a cause of some serious cardiac sequels.
1] The aortic sinuses reach beyond the upper border of the cusp and form a well-defined, complete, and circumferential sinutubular ridge when viewed from the aortic aspect.
Indeed, through 1965, only fifteen cases of MA of the aortic sinuses and ascending aorta had been reported, with sporadic case reports since then [2].
Results: Both coronary arteries arose from the aortic sinuses below the supravalvular ridge in all the cases.
The coronary arteries arise from two of the three aortic sinuses or sinuses of Valsalva present at the root of ascending aorta.
Surgical treatment for aneurysms of the aortic sinuses with aorticoatrial fistula; experimental and clinical study.
These sinuses are named according to their position as the anterior, left posterior, and right posterior aortic sinuses.
The sizes (height and width) of the three aortic sinuses at the level of the sinotubular junction were measured (Fig.
INTRODUCTION: The right and left coronary arteries arise from the ascending aorta in its anterior and left posterior aortic sinuses.