Blastodisc

2 definitions found

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

  blastodisc \blastodisc\ n.
     a disc-shaped layer of cells on the surface of the yolk mass
     of an egg (such as that of a bird) which develops to form the
     embryo.
  
     Syn: germinal disc, germinal area.


          [WordNet 1.5 +PJC]

From WordNet (r) 2.0 [wn]:

  blastodisc
       n : a layer of cells on the inside of the blastula [syn: {blastoderm},
            {germinal disc}, {germinal area}]