Embryo proper is derived from which pa of morula:
Correct Answer: Inner cell mass
Description: Approximately 3 days after feilization, cells of the compacted embryo divide again to form a 16-cell morula (mulberry). Inner cells of the morula constitute the inner cell mass, and surrounding cells compose the outer cell mass. The inner cell mass gives rise to tissues of the embryo proper, and the outer cell mass forms the trophoblast, which later contributes to the placenta. Ref: Langman's embryology 11th edition Chapter 3.
Category:
Anatomy
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