ectoderm









ectoderm


noun Embryology.

  1. the outer germ layer in the embryo of a metazoan.

noun

  1. the outer germ layer of an animal embryo, which gives rise to epidermis and nervous tissueSee also mesoderm, endoderm
n.

1861, from ecto- + -derm. Coined by Prussian embryologist Robert Remak (1815-1865).

n.

  1. The outermost of the three primary germ layers of an embryo, from which the epidermis, nervous tissue, and sense organs develop.ectoblast

  1. The outermost of the primary germ layers of an animal embryo. In vertebrates, the ectoderm gives rise to the epidermis and associated tissues (such as hair and sweat glands), enamel of the teeth, sense organs, nervous system, and lining of the nose, mouth, and anus. Compare endoderm mesoderm.
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