ectoderm

UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/ˈɛktəʊˌdɜːm/US:USA pronunciation: respellingUSA pronunciation: respelling(ek′tə dûrm′)


WordReference Random House Unabridged Dictionary of American English © 2025
ec•to•derm  (ek′tə dûrm′),USA pronunciation n. [Embryol.]
  1. Developmental Biologythe outer germ layer in the embryo of a metazoan. Also called ectoblast. 
  • 1860–65; ecto- + -derm
ec′to•der′mal, ec′to•der′mic, adj. 
ec•to•der•moi•dal  (ek′tō dər moid′l),USA pronunciation adj. 
Collins Concise English Dictionary © HarperCollins Publishers::
ectoderm / ˈɛktəʊˌdɜːm/, exoderm
  1. the outer germ layer of an animal embryo, which gives rise to epidermis and nervous tissue
    See also mesoderm, endoderm
ˌectoˈdermal, ˌectoˈdermic
'ectoderm' also found in these entries (note: many are not synonyms or translations):
Rathke's pouch - derm - diploblastic - dorsal lip - ecto- - ectoblast - ectomere - ectomorphic - endoderm - epiblast - exoderm - gastrula - germ layer - mesoderm - neuroepithelium - neurula - proctodeum - somatopleure - stomodeum - trophoblast

Forum discussions with the word(s) "ectoderm" in the title:


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