The main function of tropho ectoderm in mammalian embryo is
The main function of tropho ectoderm in mammalian embryo is
- A
Protection of the developing cells
- B
Drawing food for the developing cells
- C
Formation of yolksac
- D
Formation of body of developing embryo
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Each seminiferous tubule is lined on its inside by two types of cells $A$ and $B$. Which of the following options is correct, w.r.t. the type of cell and its function?
$A$
$B$
Each seminiferous tubule is lined on its inside by two types of cells $A$ and $B$. Which of the following options is correct, w.r.t. the type of cell and its function?
| $A$ | $B$ |
$A$ : The scrotum acts as temperature regulator for the testes.
$R$ : Wall of scrotum is supported by dartos muscles which help in positioning of testes.
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$R$ : Wall of scrotum is supported by dartos muscles which help in positioning of testes.
The signals for parturition originates from the fully developed foetus and followed by placenta causing the mild contractions called
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Ejaculation of semen
Ejaculation of semen