Gastrodisc

1 definition found

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

  Gastrodisc \Gas`tro*disc\, n. [Gastro- + disc.] (Biol.)
     That part of blastoderm where the hypoblast appears like a
     small disk on the inner face of the epibladst.
     [1913 Webster]