Sinus of Valsalva

**Semantic type:** Anatomical Structure

**Definition:** Any one of the three normal anatomical dilatations of the aortic wall, which are located behind each of the cusps of the aortic valve.

**Synonyms:** - ASCENDING AORTA, SINUS OF VALSALVA - Petit's sinus - Pulmonary Sinus - Sinus of Mehta - Sinus of Morgagni - Sinus of Otto