'Germinal spot' definitions:
Definition of 'Germinal spot'
From: GCIDE
- Germinal \Ger"mi*nal\, a. [See Germ.]
- 1. Pertaining or belonging to a germ; as, the germinal vesicle. [1913 Webster]
- 2. (Biol.) Of or pertaining to the germ, or germ cells, as distinguished from the somatic cells. [Webster 1913 Suppl.]
- Germinal layers (Biol.), the two layers of cells, the ectoblast and entoblast, which form respectively the outer covering and inner wall of the gastrula. A third layer of cells, the mesoblast, which is formed later and lies between these two, is sometimes included.
- Germinal membrane. (Biol.) Same as Blastoderm.
- Germinal spot (Biol.), the nucleolus of the ovum.
- Germinal vesicle, (Biol.), the nucleus of the ovum of animals. [1913 Webster]