aortic bulb


a·or·tic bulb

[TA] the dilated first part of the aorta containing the aortic semilunar valves and the aortic sinuses, especially evident via angiography (aortogram). Synonym(s): arterial bulb, bulbus aortae

a·or·tic bulb

(ā-ōr'tik bŭlb) [TA] The dilated first part of the aorta containing the aortic semilunar valves and the aortic sinuses.
Synonym(s): bulbus aortae [TA] .

aortic bulb

The dilated portion of the truncus arteriosus in the embryo that gives rise to the roots of the aorta and pulmonary arteries.See also: bulb