ectoderm
/ek-tuh-durm/US // ˈɛk təˌdɜrm //UK // (ˈɛktəʊˌdɜːm) //
外胚层,外皮层,外皮细胞,外皮
Related Words
leather皮革类,皮革业,皮革业的发展,皮革业者wool羊毛,羊毛毡,羊毛衫,毛线fur裘皮,毛皮,皮毛,皮草skin皮肤,皮肤病,皮肤病患者fleece羊毛衫,羊毛,羊毛毡,羊毛制品shell空壳,壳,炮弹,外壳hide隐藏,隐藏起来,隐蔽pelt毛皮,生皮,生皮的作用,毛皮的颜色crust地壳,结壳,硬壳,壳husk壳,糠壳,外皮,壳子scale规模,尺度,等级,比例尺membrane膜,膜片,膜材,膜的作用rind外皮,外皮层,外皮层层,外皮层层叠叠integument包皮,皮层,皮膜,皮毛pellicle皮层,细胞膜,颗粒物,浆膜epidermis表皮层,表皮,表皮细胞,表层felt感觉,感到,感受,感受到pelage绒毛,绒布,绒毛制品,绒毛膜peltry捣蛋鬼,捣乱,捣蛋,捣蛋的人scarfskin围巾皮,围巾皮肤,围巾之皮,围巾纸
Definitions
n.名词 noun
- 1
Embryology.
- : the outer germ layer in the embryo of a metazoan.
Synonyms & Antonyms
as incoat
Synonyms
fur裘皮,毛皮,皮毛,皮草leather皮革类,皮革业,皮革业的发展,皮革业者skin皮肤,皮肤病,皮肤病患者wool羊毛,羊毛毡,羊毛衫,毛线crust地壳,结壳,硬壳,壳epidermis表皮层,表皮,表皮细胞,表层felt感觉,感到,感受,感受到fleece羊毛衫,羊毛,羊毛毡,羊毛制品hide隐藏,隐藏起来,隐蔽husk壳,糠壳,外皮,壳子integument包皮,皮层,皮膜,皮毛membrane膜,膜片,膜材,膜的作用pelage绒毛,绒布,绒毛制品,绒毛膜pellicle皮层,细胞膜,颗粒物,浆膜pelt毛皮,生皮,生皮的作用,毛皮的颜色rind外皮,外皮层,外皮层层,外皮层层叠叠scale规模,尺度,等级,比例尺shell空壳,壳,炮弹,外壳peltry捣蛋鬼,捣乱,捣蛋,捣蛋的人protective covering保护罩,保护层,保护套,保护性覆盖物scarfskin围巾皮,围巾皮肤,围巾之皮,围巾纸
Examples
The terms ectoderm and entoderm were introduced by Allman in 1853 for the two cell-layers in the Hydrozoa.
Ontogeny teaches unmistakably that its elementary organs, the epidermic cells, develop entirely from the ectoderm.
Amongst other structures which arise from the important layer of ectoderm are the teeth.
The skin corresponds with the ectoderm of Hydra, although it is a vastly more complicated affair.
In the typical invertebrate eye, on the contrary, the retinal cells are differentiated from the external ectoderm.
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