Ectomere

Definitions

  • Webster's Revised Unabridged Dictionary
    • n Ectomere (Biol) The more transparent cells, which finally become external, in many segmenting ova, as those of mammals.
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Century Dictionary and Cyclopedia
    • n ectomere In embryology, the less granular of the two blastomeres into which the mammalian ovum divides: also applied to a descendant of this blastomere in the first stages of development. See blastomere, entomere.
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Etymology

Webster's Revised Unabridged Dictionary
Ecto-, + -mere,