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Aortic Sinus

   Also found in: Dictionary/thesaurus, Medical, Wikipedia 0.01 sec.
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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Supplementation with LA significantly reduced atherosclerotic lesion formation in the aortic sinus of both mouse models by approximately 20% and in the aortic arch and thoracic aorta of apoE-/- and apoE/low-density lipoprotein receptor-deficient mice by approximately 55% and 40%, respectively.
Right coronary angiography revealed that, all major coronary arteries were arising from the right aortic sinus with separate ostia, giving the appearance of a sea star (Fig.
Ectopic coronary origin from the opposite aortic sinus or pulmonary artery, single coronary artery and large coronary fistulae are extremely rare but potentially serious anomalies that require accurate recognition and prophylactic surgical correction.
 
 
 
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