pylangium

noun
py·​lan·​gi·​um | \ pīˈlanjēəm\
plural pylangia\ -​ēə \

Definition of pylangium

: the highly muscular portion of the arterial trunk in immediate connection with the ventricle of the heart in some lower vertebrates — compare synangium

History and Etymology for pylangium

New Latin, from pyl- + -angium

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