arterial cone


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co·nus ar·te·ri·o·'sus

[TA]
the left or anterosuperior, smooth-walled portion of the cavity of the right ventricle of the heart, which begins at the supraventricular crest and terminates in the pulmonary trunk.

ar·te·ri·al cone

(ahr-tēr'ē-ăl kōn)
The left or anterosuperior, smooth-walled portion of the cavity of the right ventricle of the heart, which begins at the supraventricular crest and terminates in the pulmonary trunk.
Synonym(s): conus arteriosus [TA] , infundibulum (4) .