Archiblastula

1 definition found

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

  Archiblastula \Ar`chi*blas"tu*la\, n. [Pref. archi + blastula.]
     (Biol.)
     A hollow blastula, supposed to be the primitive form; a
     c[oe]loblastula.
     [1913 Webster]