'Cytoblast' definitions:

Definition of 'Cytoblast'

From: GCIDE

Cytoblast \Cy"to*blast\ (s?"t?-bl?st), n. [Gr. ky`tos hollow vessel + -blast.] (Biol.) The nucleus of a cell; the germinal or active spot of a cellule, through or in which cell development takes place. [1913 Webster]