ectoderm

Example Sentences

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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

In an unexpected twist, no part of the sea star ectoderm expresses a "trunk" genetic patterning program, suggesting that sea stars are mostly headlike.

From Science Daily • Nov. 1, 2023

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

Finally, in certain Echinodermata the ventral part of the central nervous system arises by the invagination of a linear streak of ectoderm, the cavity of the invagination persisting as the epineural canal.

From Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3 "Electrostatics" to "Engis" by Various