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germ layer

any of the three layers of cells in an animal embryo at the gastrula stage, from which the various organs and tissues develop. The outermost layer is the ectoderm, the middle layer is the mesoderm, and the inner layer is the endoderm.

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Psychology term of the day

February 16th 2025

ventro- (ventr-)

Sorry, "ventro-ventr" is not in the Dictionary of Psychology. Please report to APA if you believe this is an error.