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conus arteriosus

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noun co·nus ar·te·ri·o·sus \ˈkō-nəs-är-ˌtir-ē-ˈō-səs\

Definition of conus arteriosus

plural coni arteriosi play \-ˌnī-är-ˌtir-ē-ˈō-ˌsī\

  1. 1 :  a conical prolongation of the right ventricle in mammals from which the pulmonary arteries emerge —called also conus

  2. 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



Origin of conus arteriosus

New Latin, literally, arterial cone


First Known Use: circa 1860


Medical Dictionary

conus arteriosus

play
noun co·nus ar·te·ri·o·sus \ˈkō-nə-sär-ˌtir-ē-ˈō-səs\

Medical Definition of conus arteriosus

plural coni arteriosi \-ˌnī-är-ˌtir-ē-ˈō-ˌsī, -(ˌ)nē-\play

  1. :  a conical prolongation of the right ventricle from which the pulmonary arteries emerge—called also conus




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