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Related to endoderm: mesoderm


 (ĕn′də-dûrm′) also en·to·derm (ĕn′tə-)
The innermost of the three primary germ layers of an animal embryo, developing into the gastrointestinal tract, the lungs, and associated structures. Also called hypoblast.

en′do·der′mal adj.


(ˈɛndəʊˌdɜːm) or


(Zoology) the inner germ layer of an animal embryo, which gives rise to the lining of the digestive and respiratory tracts. See also ectoderm, mesoderm
ˌendoˈdermal, ˌendoˈdermic, ˌentoˈdermal, ˌentoˈdermic adj


(ˈɛn dəˌdɜrm)

also entoderm

1. the innermost cell layer of the embryo in its gastrula stage.
2. the innermost body tissue that derives from this layer, as the gut lining.
[1825–35; < French endoderme; see endo-, -derm]
en`do•der′mal, en`do•der′mic, adj.


An embryo’s inner germ layer, producing some internal organs and the linings of the digestive and respiratory systems. See ectoderm, mesoderm.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.endoderm - the inner germ layer that develops into the lining of the digestive and respiratory systems
germ layer - (embryology) any of the 3 layers of cells differentiated in embryos following gastrulation


n. endodermo, la más interna de las tres membranas del embrión.
References in periodicals archive ?
8,895,300); and Pancreatic endoderm cell cultures with an ERBB receptor tyrosine kinase activating agent (U.
Throughout embryological development, carefully-timed cellular signals are released that direct these pluripotent cells to become more "defined" cells such as ectoderm, mesoderm, and endoderm.
An electronic pre-copy-edited version of the paper entitled "Derivation of high-purity definitive endoderm from human parthenogenetic stem cells using an in vitro analog of the primitive streak" is available at: http://www.
35) The difference in the histologic appearance of the lining epithelium in these 2 cases might be related to a different branchial origin, with ectoderm (cleft) giving a squamous epithelium in case 1 and endoderm (pouch) generating a columnar epithelium in case 2.
The pancreas is formed by the dorsal and ventral pancreatic buds from foregut endoderm.
Disturbing endoderm signaling to anterior neural plate of vertebrates by the teratogen cadmium.
The tympanic membrane is formed by the fusion of three embryologic layers: the endoderm, the mesoderm, and the ectoderm.
19] on gonad formation mentioned that germ cells in mammals for the first time can detectable in the yolk sac endoderm.
To trace the process in detail, she and Thompson turned to genetically engineered mice that have labels distinguishing neural crest and endoderm tissues.
Sequential roles for Otx2 in visceral endoderm and neuroectoderm for forebrain and midbrain induction and specification.
Role of stem-cell-derived hepatic endoderm in human drug discovery.
This, along with a lack of mesodermic arch interposition, would permit the apposition of the ectoderm and endoderm.