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endoderm

endoderm Endoderm is the inner cell layer in coelenterate animals and the inner one of the embryo’s two earliest cell layers in mammals.

Endoderm is the inner cell layer in coelenterate animals and the inner one of the embryo’s two earliest cell layers in mammals. In historical usage, it was often called the hypoblast.

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Sources

Drafting source: Baldwin Dictionary of Philosophy and Psychology, 1901. 1901 New York Macmillan original; archive index checked 2026-10-18. “Endoderm” (Endoderm).
public-domain-US · Definition uses new wording; original source retains its stated licence. · Source snapshot SHA-256: 376ac3428c378281f12d665f09222df3073a87ac071c96968a14d8bb6742d1e5

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PsychTerms (psychterms.org), CC BY 4.0, version 1. “endoderm.” Development preview.

Version 1 · SHA-256: f1350f74b1acf454dd9d0b8cfeec2b49b58072423f59e96c771988b9edc536c0

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