Category:Germinal

Ger"mi*nal, a. Etym: [See Germ.]

Defn: Pertaining or belonging to a germ; as, the germinal vesicle. 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.

germinal Ger`mi*nal", n. Etym: [F. See Germ .]

Defn: The seventh month of the French republican calendar [1792 -- 1806]. It began March 21 and ended April 19. See VendÉmiaire.