ENDOBLAST - Definition

Pronunciation:		'endu`blast
WordNet Dictionary

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

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	Synonyms:	endoderm, entoblast, entoderm, hypoblast

	See Also:	germ layer

Webster's 1913 Dictionary

	Definition:	\En"do*blast\, n. [Endo- + -blast.] (Biol.) Entoblast; endoplast. See {Nucleus},

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.