bulbus cordis


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Related to bulbus cordis: conus arteriosus, Truncus arteriosus

bul·bus cor·dis

a transitory dilation in the embryonic heart where the arterial trunk joins the ventral roots of the aortic arches.

bulbus cordis

In the embryo, the segment of the heart tube destined to be partitioned and to form the two ventricular outflow segments, to the aorta on the left and to the pulmonary trunk on the right.
See also: bulbus