The 3 embryonic germ layers: ectoderm, mesoderm and endoderm are derived from:
Correct Answer: Epiblast only
Description: All three embryonic germ layers (ectoderm, mesoderm and endoderm) are derived from the epiblast only. The hypoblast contributes to the development of the extraembryonic mesoderm and yolk sac and plays a key role in signaling to establish axial patterning in the embryo itself
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Anatomy
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