Glossary: Stem Cell Terms and Definitions


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There are 2 names in this directory beginning with the letter G.
Germ cell
Germ cell - a gamete, that is, a sperm or egg, or a cell that can become a sperm or egg. Germ cells are haploid cells (they have a single set of 23 chromosomes containing half the usual amount of DNA and half the usual number of genes), all other body cells are somatic cells.

Germ layer
germ layer is a primary layer of cells that forms during embryonic development.