The extra-embryonic membranes of the mammalian embryo are derived from

  • A
    Formative cells
  • B
    Follicle cells
  • C
    Inner cell mass
  • D
    Trophoblast

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Similar Questions

Match the following columns regarding human embryonic development:
Column-$I$ (Time of gestation)Column-$II$ (Changes in embryo)
$P$. After one month$I$. Major organ systems are formed
$Q$. End of second month$II$. Formation of heart
$R$. End of three months$III$. Development of limbs and digits
$S$. During fifth month$IV$. Movement of fetus and hair on head

During the development of an embryo,which of the following occurs first?

Match the hormone with its site of production:
HormoneSite of production
$A$. $hCG$ and $hPL$$(ii)$ Placenta
$B$. Progesterone$(iii)$ Corpus luteum
$C$. Androgens$(iv)$ Leydig cells
$D$. Relaxin$(i)$ Ovary

The placenta in mammals is derived from which of the following?

Write a note on pregnancy and embryonic development in human beings.

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