/ ˈkoʊnəs |arteriosus| /
Množina reči conus arteriosus je conus arteriosuses.
1. A conical prolongation of the right ventricle in mammals from which the pulmonary arteries emerge — called also conus.
2. A prolongation of the ventricle of amphibians and some fishes that has a spiral valve separating venous blood going to the respiratory arteries from blood going to the aorta and systemic arteries.