单词 | ectoderm |
释义 | ectoderm (once / 49043 pages) n WORD FAMILY ectoderm: ectodermal USAGE EXAMPLESComplementing these previous studies, our results suggest that it may play a central role in mediating the transition from pluripotency to early ectoderm. Nature(Feb 17, 2015) The nervous system initially forms as a flat strip of tissue on the outer layer, or ectoderm. The Guardian(Aug 26, 2014) Embryos have three layers: endoderm, mesoderm and ectoderm. Economist(Aug 29, 2013) n the outer germ layer that develops into skin and nervous tissue Syn|Hypo|Hyper ectoblast, exoderm neural tube a tube of ectodermal tissue in the embryo from which the brain and spinal cord develop germ layer (embryology) any of the 3 layers of cells differentiated in embryos following gastrulation |
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