The extra-embryonic membranes of the mammalian embryo are derived from
The extra-embryonic membranes of the mammalian embryo are derived from
- [AIPMT 1994]
- A
Formative cells
- B
Follicle cells
- C
Inner cell mass
- D
Trophoblast
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The first sign of the growing foetus may be noticed by listening to the heart sound carefully through the stethoscope. Embryo's heart is formed _________.
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The shortest gestation period is seen in
The shortest gestation period is seen in
- [AIPMT 1993]