First Known Use: circa 1860
Dictionary
conus arteriosus
noun co·nus ar·te·ri·o·sus \ˈkō-nəs-är-ˌtir-ē-ˈō-səs\
plural co·ni ar·te·ri·o·si \-ˌnī-är-ˌtir-ē-ˈō-ˌsī\
Definition of CONUS ARTERIOSUS
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
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Origin of CONUS ARTERIOSUS
New Latin, literally, arterial cone
Medical Dictionary
conus arteriosus
noun co·nus ar·te·ri·o·sus \ˈkō-nə-sär-ˌtir-ē-ˈō-səs\
plural co·ni ar·te·ri·o·si \-ˌnī-är-ˌtir-ē-ˈō-ˌsī, -(ˌ)nē-\
Medical Definition of CONUS ARTERIOSUS
: a conical prolongation of the right ventricle from which the pulmonary arteries emerge—called also conus
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