Basipterygium

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Basipterygium \Ba*sip`te*ryg"i*um\, n. [NL., fr. Gr. ba`sis a
     base + ptery`gion 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.
     [1913 Webster]