See Also: Ectoderm(medicine)
Ectoderm(health)
ectoderm(dictionary)
amniotic ectoderm(medicine)
blastodermic ectoderm(medicine)
chorionic ectoderm(medicine)
epithelial ectoderm(medicine)
extraembryonic ectoderm(medicine)
superficial ectoderm(medicine)

ectoderm (iou)



ectoderm noun. M19.
[from ECTO- + Greek derma skin.]
Biology. The outer germ layer of the embryo in early development, giving rise to epidermis and neural tissue; cells or tissue derived from this; such cells as forming the outer layer of the body of a coelenterate etc.
ectodermal adjective of, pertaining to, or derived from the ectoderm L19.