The blastopore is found in which of the following developmental stages?
- AGastrula
- BBlastula
- CMorula
- DNeurula
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The minimum number of barriers present between foetal and maternal blood is present in which type of placenta?
Medium
View SolutionAll extra-embryonic membranes:
Medium
View SolutionWhich hormone is responsible for the maintenance of pregnancy?
Easy
View SolutionMatch the hormone with its site of production:
Hormone Site of production $A$. $hCG$ and $hPL$ $(ii)$ Placenta $B$. Progesterone $(iii)$ Corpus luteum $C$. Androgens $(iv)$ Leydig cells $D$. Relaxin $(i)$ Ovary
| Hormone | Site of production |
|---|---|
| $A$. $hCG$ and $hPL$ | $(ii)$ Placenta |
| $B$. Progesterone | $(iii)$ Corpus luteum |
| $C$. Androgens | $(iv)$ Leydig cells |
| $D$. Relaxin | $(i)$ Ovary |
In human beings,after .............. month of pregnancy,the embryo's heart is formed.
Easy
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