ectoderm

Example Sentences

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Ectoderm, ek′to-dėrm, n. the external germinal layer of the embryo.

From Chambers's Twentieth Century Dictionary (part 2 of 4: E-M) by Various

Between the Ectoderm and the Endoderm a layer of cells called the Mesoderm or Mesoblast is next formed, and from these three layers all the parts of the embryo are built up.

From Essays In Pastoral Medicine by ?Malley, Austin

Ectoderm: the outer layer of skin: the outer layer of the blastoderm, giving rise to the nervous system and to epithelial structures of the body surface.

From Explanation of Terms Used in Entomology by Smith, John. B.

The next stage in development is the establishment of two primary germinal layers, called together the Gastrula, The outer layer is the Ectoderm or the Epiblast, and the inner layer is the Endoderm or Hypoblast.

From Essays In Pastoral Medicine by ?Malley, Austin