Which part of the early blastocyst develops into the embryo proper?
Correct answer: B. Inner cell mass
- A. Trophoblast
- B. Inner cell mass
- C. Zona pellucida
- D. Chorionic cavity
Explanation
The inner cell mass, also called the embryoblast, develops into the embryo proper. The trophoblast mainly contributes to the fetal part of the placenta and its supporting membranes.
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About Reproductive Anatomy and Conception
Female and male reproductive organs, pelvic anatomy, gametogenesis, the menstrual cycle and the hormonal control of ovulation lead into fertilisation, implantation and early embryonic development. Questions distinguish ovulation from menstruation, fertilisation from implantation, and the normal anatomical changes that allow conception and pregnancy to occur.
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