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Trilaminar embryonic disc formation
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Trilaminar embryonic disc formation

After the rapid proliferation and migration of epiblastic cells, the bilaminar embryonic disc has 3 embryonic leaves: ectoderm, mesoderm and endoderm.

These 3 layers are the ones that will originate the rest of tissues and organs of the future baby through the complex process of organogenesis.

By MD, MSc (gynecologist), BSc, MSc (embryologist) and (invitra staff).
Last Update: 04/04/2019