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 (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 ?
According to Mauseth (1988), these endodermic cells are important for controlling the water output cortex through foliar transpiration or water input provoked by the root pressure.
Histological examination revealed a heterogeneous entity consisting of two areas: a cystic and a solid one, both comprising a randomly disposed mixture of tissues with ectodermic, mesodermic, and endodermic origins, with histological structure different from that of the filum terminale (Fig.
Although their morphology resembles neuronic cells, the pulmonary NE cells develop undoubtedly from endodermic precursors [5].