The seventh month of the French Republican calendar (1793–1805), originally running from March 21 to April 19
Relating to or of the nature of a germ cell or embryo
A cell capable of replicating and (usually) differentiating; specifically = germ cell.
Blastoderm, especially that in a bird's (or other telocithal) egg.
Another term for blastodisk.
The nucleolus of an ovum (now historical).
The central area of a lymph nodule, containing cells that are larger and paler than those of the periphery, and forming a zone of B lymphocyte proliferation in response to antigenic stimulation; compare slightly earlier germ centre.
A layer of cells capable of division and differentiation; specifically = germ layer.
= blastoderm (now rare).
The nucleus of an ovum or oocyte, (in later use) specifically that of a developing oocyte at the stage immediately preceding meiosis.
Epithelium giving rising to germ cells, especially that lining the seminiferous tubules of the testis; (also) a layer of cuboidal cells covering the free surface of the ovary (originally believed to give rise to germ cells).