Dictionary Home »
Dictionary Definitions » conus arteriosus
conus arteriosus
(kōˌnəs är-tîrˌē-ōˈsəs)
noun pl. co·ni ar·te·ri·o·si (kōˌnī är-tîrˌē-ōˈsī, kōˌnē är-tîrˌē-ōˈsē)- A conical extension of the right ventricle in the heart of mammals, from which the pulmonary artery originates.
- An extension of the ventricle in the heart of amphibians and certain fish.
Learn more about conus arteriosus