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Question

FSH was administered to a group of rats who has their anterior pituitary glands removed. Compared with the control group of normal rats,which of the following events did NOT take place in the experiment animals?

A
Proliferation of the endometrium
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B
Maturation of a Graafian follicle
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C
Development of the corpus luteum
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D
Build-up of oestrogen in the bloodstream
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Solution

The correct options are
A Proliferation of the endometrium
C Development of the corpus luteum
The absence of pituitary gland will lead to the absence of the leutinizing hormone and so, the ovulation will be prohibited. As the ovulation would not occur, the development of corpus luteum will not take place because it is formed after the ovulation from the Graafian follicle. The absence of corpus luteum would result in absence of progesterone, and so there will be no endometrial development.
Hence, the correct answer is 'Proliferation of the endometrium and Development of corpus luteum'

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