Definitions for "Ectodermal"
Pertaining to or derived from the ectoderm. The ectoderm is the outermost of the three primary germ layers of the embryo. From it are developed the epidermis and the epidermal tissues, such as the nails, hair, the nervous system, external sense organs such as the ear and eye.
Pertaining to the outermost of the three primitive germ layers of an embryo. The middle layer is the mesoderm and the innermost layer is the endoderm. Ectodermal structures include the skin, hair, nails, oral mucous membrane, and the enamel of the teeth.
Keywords:  relating
Of or relating to the ectoderm.