ectoblast definition

  • noun:
    • the outer layer of this blastoderm; the ectoderm or epiblast
    • The outer layer associated with blastoderm; the epiblast; the ectoderm.
    • The external envelope of a cell; the mobile wall.
    • In biology, the outermost familiar structure of a cell; a cell-wall, at all distinguished from mesoblast or any other even more interior frameworks. The ectoblast should a cell what the epiblast is always to a far more complex system.
    • In embryology, the external primary layer inside embryo of any metazoan pet; the epiblast; the ectoderm. See cut under blastocæle.
    • the external germ layer that develops into skin and stressed structure

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  • Hypernym for "ectoblast"
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