The primary germ layers, ectoderm, mesoderm, and endoderm, form through gastrulation and give rise to all tissues in the body.
The primary germ layers – ectoderm, mesoderm, and endoderm – form through gastrulation and give rise to all tissues in the body. These layers are responsible for developing specific body structures: ectoderm for the nervous system and skin, mesoderm for muscle cells and connective tissues, and endoderm for the digestive system and internal organs.
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