Webster’s Revised Unabridged Dictionary · 1913
Germogen
Ger′mo·gen (jẽr′mō·jĕn), n. [Germ + -gen.] (Biol.) (a) A polynuclear mass of protoplasm, not divided into separate cells, from which certain ova are developed. Balfour. (b) The primitive cell in certain embryonic forms. Balfour.