Medical Dictionary

ectoderm

noun ec·to·derm \ˈek-tə-ˌdərm\

Medical Definition of ECTODERM

1
:  the outermost of the three primary germ layers of an embryo
2
:  a tissue (as neural tissue) derived from ectoderm
ec·to·der·mal \ˌek-tə-ˈdər-məl\ adjective

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