Dictionary entry

Basipterygium

Webster's Dictionary 1913

‖Ba‐sip′te‐ryg″i‐um (�), n. [NL., fr. Gr. βάσισ a base + πτερύγιον 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.