aortic bulb

n.

The dilated first part of the aorta containing the aortic semilunar valves and the aortic sinuses.

Words nearby aortic bulb

aortalgia, aortic arch, aortic arch syndrome, aortic atresia, aortic body, aortic bulb, aortic foramen, aortic insufficiency, aortic murmur, aortic notch, aortic ostium