endoderm
Noun
Meaning
The inner layer of the skin or integument of an animal.
The innermost layer of the blastoderm and the structures derived from it; the hypoblast; the entoblast. See Illust. of Ectoderm.
Source: Webster's dictionarySynonyms
Hypernyms
Phrases with the word
Examples
Because of these different morphogenetic properties, the cells of each germ layer move to form sheets such that the ectoderm ends up on the outside, mesoderm in the middle, and endoderm on the inside.
ES cells are pluripotent and give rise during development to all derivatives of the three primary germ layers : ectoderm, endoderm and mesoderm.
The hypopharyngeal eminence develops mainly by the growth of endoderm from the third pharyngeal arch.
The other two layers are the ectoderm (outside layer) and endoderm (inside layer), with the mesoderm as the middle layer between them.
Similarly, circularly disposed muscular fibrils formed from the endoderm permit tentacles to be protract or thrust out once they are contracted.
Some of the migrating cells displace the hypoblast and create the endoderm, and others migrate between the endoderm and the epiblast to create the mesoderm.