Search Result for "blastema": 
Wordnet 3.0

NOUN (1)

1. a mass of undifferentiated cells from which an organ or body part develops;


The Collaborative International Dictionary of English v.0.48:

Blastema \Blas*te"ma\, n.; pl. Blastemata. [Gr. bla`sthma bud, sprout.] (Biol.) The structureless, protoplasmic tissue of the embryo; the primitive basis of an organ yet unformed, from which it grows. [1913 Webster]
WordNet (r) 3.0 (2006):

blastema n 1: a mass of undifferentiated cells from which an organ or body part develops