ectodermal(redirected from ectodermally)
Also found in: Thesaurus, Medical.
Related to ectodermally: ectodermal dysplasia
1. The outermost of the three primary germ layers of an embryo, from which the epidermis, nervous tissue, and, in vertebrates, sense organs develop.
2. The outer layer of a diploblastic animal, such as a jellyfish.
ec′to·der′mal, ec′to·der′mic adj.