The allantois has the similar layers as present in the yolk sac. These are
Outer mesoderm and inner endoderm
Outer endoderm and inner mesoderm
Outer endoderm and inner ectoderm
Outer endoderm and inner endoderm
Function of fertilizin is/are
The corpus luteum secretes ........
During pregnancy which one of the following is excreted?
Explain primary concept of male and female reproductive system.
Failure of descending testis into scrotum is known as