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ID: 322402 • Letter: 2
Question
Explanation / Answer
1). During gastrulation, the gastrula cells arrange themselves into three distinct germ layers namely, the ectoderm, endoderm, and mesoderm.
Each of these primary germ layers has a distinct fate in which they develop into a physiological system, tissue, or organ in a fully developed human. The endoderm and mesoderm are inner most layers of the gastrula. The outermost layer, or ectoderm develops into the nervous system, portions of the eye and teeth, posterior pituitary gland, and adrenal medulla.