bulbus arteriosus

noun bulbus ar·te·ri·o·sus \-(ˌ)ärˌtirēˈōsə̇s\
variants: less commonly

bulbus aortae


Definition of bulbus arteriosus

  1. :  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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Origin and Etymology of bulbus arteriosus

New Latin bulbus arteriosus, literally, arterial bulb & bulbus aortae, literally, bulb of the aorta

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a rounded knoll or a ridge of ice

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