basipterygium

Basipterygium

Ba*sip`te*ryg"i*um\, n. [NL., fr. Gr. ? a base + ? a fin.] (Anat.) A bar of cartilage at the base of the embryonic fins of some fishes. It develops into the metapterygium. -- Ba*sip`ter*yg"i*al, a.
Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
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