Endostyle

1 definition found

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

  Endostyle \En"do*style\, n. [Endo- + Gr. ? a pillar.] (Zo["o]l.)
     A fold of the endoderm, which projects into the blood cavity
     of ascidians. See {Tunicata}.
     [1913 Webster]