| 单词 | ectoblast |
| 释义 | ectoblast (once / 909178 pages) n WORD FAMILY ectoblast USAGE EXAMPLESEctoblast: the outer wall of a cell; the ectoderm or epiblast. Smith, John. B., Explanation of Terms Used in Entomo...(2010) In the language of our science, the outer envelope is called the Ectoblast, the inner sac the Mesoblast, and the dot the Entoblast. Various, The Atlantic Monthly, Volume 10, No...(2010) In the gastrula stage, the segmentation cavity in which the mesoblast is formed lies between the entoblast and ectoblast. Project Gutenberg, The Gutenberg Webster's Unabridged...(2010) n the outer germ layer that develops into skin and nervous tissue Syn|Hypo|Hyper ectoderm, 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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