Category:Basipterygium

Ba*sip`te*ryg"i*um, n. Etym: [NL., fr. Gr. a base + a fin.] (Anat.)

Defn: 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.