ectoderm

Example Sentences

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Because both the brain and skin develop from the same embryonic layer called the ectoderm, the scientists set out to explore how these two systems might be connected.

From Science Daily • Oct. 13, 2025

Surface ectoderm is a dense sheet of epidermal progenitors, which gives rise to the surface covering of the body, such as skin, and the associated features of teeth, hair and fingernails.

From Science Daily • Mar. 4, 2024

After gastrulation, the embryo can be thought of as an onion with three layers: the ectoderm, the mesoderm and the endoderm.

From Science Daily • Sep. 19, 2023

Outside this digestive cavity are three tissue layers: an inner endoderm, a central mesoderm, and an outer ectoderm.

From Textbooks • Jan. 1, 2015

The cells of the ectoderm are not homogeneous.

From Freshwater Sponges, Hydroids & Polyzoa by Annandale, Nelson