Definition of bulbus arteriosus
:the dilated part of the aorta just in front of the heart from which the aortic arches arise in vertebrate embryos and in the adult of many lower vertebrates
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bulbus arteriosus
noun
bulbus ar·te·ri·o·sus
\
-(ˌ)ärˌtirēˈōsə̇s
\
variants:
or less commonly
bulbus aortae
\-āˈȯrˌtē\
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Origin and Etymology of bulbus arteriosus
New Latin bulbus arteriosus, literally, arterial bulb & bulbus aortae, literally, bulb of the aorta
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