ENDODERM - Definition

Pronunciation:		'endu`durm
WordNet Dictionary

	Definition:	[n] the inner germ layer that develops into the lining of the digestive and respiratory systems

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	Synonyms:	endoblast, entoblast, entoderm, hypoblast

	See Also:	germ layer

Webster's 1913 Dictionary

	Definition:	\En"do*derm\, n. [Endo- + Gr. ? skin.] (Biol.) (a) The inner layer of the skin or integument of an animal. (b) The innermost layer of the blastoderm and the structures derived from it; the hypoblast; the entoblast. See Illust. of {Ectoderm}.

Biology Dictionary

	Definition:	The innermost layer of tissue in a developing animal embryo which will eventually become the digestive tract, respiratory tract, and various other things depending on the organism. Occurs in all animals except for sponges and placozoans.