Class 12th Biology 2016 Set2 Outside Delhi Board Paper Solution
Question 25
Why is follicular phase in the menstrual cycle also referred as proliferative phase ? Explain.
Answer
The proliferative phase is the part of the menstrual cycle during which follicles inside the ovaries develop and mature in preparation for ovulation. The levels of FSH increase in the bloodstream during the proliferation phase, stimulating the maturation of follicles. Each follicle contains an ovum, or egg. Although many follicles may grow and increase in size during this phase, only one will reach full growth and release the ovum at the time of ovulation.
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