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The following is the illustration of the...

The following is the illustration of the sequence of ovarian events ''a'' to ''I'' in a human female :

(a) Identify the figure that illustrates corpus luteum and name the pituitary hormone that inhuences its formation.
(b) Specify the endocrine function of corpus luteum. How does it influence the uterus? Why is it essential?
(c) What is the difference between “d” and “e”?
(d) Draw a neat labelled sketch of Graafian follicle.

Text Solution

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(a) g to i are corpus luteum pituitary hormone-Luteinising hormone.
(b) Corpus luteum secretes large amount of progesterone hormone that is essential for maintenance of the endometrium required for implantation of blastocyst leading to pregnancy.
(c) ‘d’ represents the tertiary follicle which has a fluid filled cavity called the antrum.
‘e’ represents the Graafian follicle. This is actually a large tertiary follicle ready for ovulation.
(d)
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