The ovarian cycle drives the uterine cycle. Complete each sentence to describe t
ID: 98314 • Letter: T
Question
The ovarian cycle drives the uterine cycle. Complete each sentence to describe the phases of both. Some word(s) may be used more than once. During the follicular phase, FSH is produced by the anterior pituitary gland, stimulating the development of the ______. Estrogen levels rise, stimulating the ____________ to secrete GnRH, leading to a surge in ______ production. Typically, on the 14th day, this causes ________ to occur where the _____ is released. During the ______, LH promotes development of the corpus luteum, whose function is to produce _____. As _____ levels rise, feedback mechanisms cause the ______ to degenerate, causing ______ levels to drop. The endometrium begins to disintegrate, causing _____ to occur. Estrogen produced by the ovarian follicle causes the endometrium to begin to thicken, starting the ____. The increase in progesterone causes the endometrium to thicken and produce a thick mucoid secretion, starting the ______.Explanation / Answer
During the follicular phase, FSH is produced by the anterior pituitary gland, stimulating the development of the follicle.
Estrogen levels rise, stimulating the hypothalamus to secrete GnRH, leading to a surge in LH production.
Typically, on the 14th day, this causes ovulation to occur where the oocyte is released.
During the luteal phase, LH promotes the development of the corpus luteum, whose function is to produce progesterone.
As progesterone levels rise, feedback mechanisms cause the corpus luteum to degenerate, causing progesterone levels to drop.
The endometrium begins to disintegrate causing menstruation to occur.
Estrogen produced by the ovarian follicle causes the endometrium to begin to thicken, starting the proliferative phase.
The increase in progesterone causes the endometrium to thicken and produce a thick mucoid secretion, starting the secretory phase.
Menstruation cycle is a natural change occurring in female reproductive system. This whole process is controlled by different hormones and can be divided into two cycles – ovarian and uterine cycle, based on where it occurs (ovary or uterus). All the phases given above are events occurring as part of ovarian and uterine cycles.
Ovarian cycle – follicular phase, ovulation and luteal phase.
Uterine cycle – menstruation, proliferative phase and secretory phase.
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