Endodermal germ layer

Endodermal germ layer: Also known as the endoderm or entoderm, this inner layer of cells in the embryo eventually develops into the digestive tract, respiratory organs, genitals, bladder, and urethra.

Endodermal germ layer: Area of tissue in early development of the embryo that gives rise to other structures. These include the digestive tract, respiratory organs, vagina, bladder and urethra. Also called endoderm or entoderm.

See also: Postpartum, During pregnancy, Urethra, Engorgement, Nursing