ectoderm


ec·to·derm

noun \ˈek-tə-ˌdərm\

Definition of ECTODERM

1
:  the outer cellular membrane of a diploblastic animal (as a jellyfish)
2
a :  the outermost of the three primary germ layers of an embryo that is the source of various tissues and structures (as the epidermis, the nervous system, and the eyes and ears)
b :  a tissue (as neural tissue) derived from this germ layer
ec·to·der·mal \ˌek-tə-ˈdər-məl\ adjective

Origin of ECTODERM

International Scientific Vocabulary
First Known Use: 1859

ec·to·derm

noun \ˈek-tə-ˌdərm\   (Medical Dictionary)

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

Browse

Next Word in the Dictionary: ectodermoidal
Previous Word in the Dictionary: ectocranial
All Words Near: ectoderm

Seen & Heard

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

Get Our Free Apps
Voice Search, Favorites,
Word of the Day, and More
Join Us on FB & Twitter
Get the Word of the Day and More