basipterygium

noun ba·sip·ter·yg·i·um \ -jēəm \

Definition of basipterygium

plural basipterygia \-jēə\
:a basal bone or cartilage forming a support of one of the paired fins of a fish:
a :a large cartilage supporting the radialia in ganoids and selachians
b :a large bone supporting the rays of a pelvic fin in teleosts
c :the posterior member of a group of three such supporting elements in certain fishes — compare mesopterygium, metapterygium, propterygium

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Origin and Etymology of basipterygium

New Latin, from basi- + Greek pterygion fin, literally, small wing


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