conus arteriosus: Meaning and Definition of

co•nus ar•te•ri•o•sus

Pronunciation: (kō'nus är-tēr"ē-ō'sus), [key]
— pl. co•ni ar•te•ri•o•si
  1. the most anterior part of the simple tubular heart of lower vertebrates and embryos of higher vertebrates, leading into the artery that leaves the heart; in mammals it forms a part of the upper wall of the right ventricle, in which the pulmonary artery originates. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
CONUS conv.
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