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
Seen & Heard
What made you want to look up ectoderm? Please tell us where you read or heard it (including the quote, if possible).