Female Reproductive Physiology

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Can you name the HYTQ concepts?

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QuestionAnswer
Which hormone promotes the maturation of the endometrium?
True or False: Progestins acts as negative feedback regulators at the hypothalamus and pituitary.
The granulosa cells lack which 2 enzymes?
Which hormone acts on the granulosa cells of the follicle?
This cell catalyzes the conversion of cholesterol to progestins in the female
occurs about 32 to 36 hours after LH surge
endometrium proliferates under the influence of estrogen during this phase of the endometrial cycle
characterized by a cubodial granulosa cell layer
what is the basic unit of female reproductive physiology?
True or False: During the follicular phase, the granulosa cells are the main producers of progesterone because they are the closest to blood supply.
The _____ follicle is the one that undergoes ovulation during a menstrual cycle.
Days 4-14 of the endometrial cycle is known as the _____ phase
A rise in the levels of _____ begins the cyclic recruitment phase of follicuolgenesis.
When do oocytes finish their meiotic division?
these cells make androgen in the female
True or False: Estrogen is critical to closure of epiphyseal plates of both sexes
Days 0 -4 of the endometrial cycle is known as the _____ phase
During what portion of the menstrual cycle does the oocyte progress to metaphase II?
thecal cells begin forming in _____ follicles
During the ____ phase, granulosa cells are the main producer of progesterone.
During the _____ phase of the ovarian cycle, large antral follicles are recruited and undergo growth to compete for ovulation.
phase of the ovarian cycle that occurs between days 0 and 14 of the menstrual cycle
synthesis and secretion of ZP proteins for the formation of the zona pellicida begins in _____ follicles
maturation of the endometrium occurs during this phase of the endometrial cycle
True/ False: Estradiol synthesized by the dominant follicle drives down production of FSH starving all other non-dominant follicles causing them to die.
What enzyme are thecal cells missing that prevents them from converting androgens into estrogen?
rapid rise in what hormone released by the dominant follicle induces the LH surge?
QuestionAnswer
Which cell type in the ovarian follicle is the main producer of progesterone in the follicular phase?
Which cell within the ovarian follicle synthesizes aromatase?
True or False: Every menstrual cycle tertiary follicles are recruited to compete for ovulation.
Days 14-28 of the endometrial cycle is known as the _____ phase
In which phase of meiosis is a follicle arrested until ovulation?
After ovulation, what phase of meiosis is the oocyte arrested in?
True or False: Most follicles undergo atresia or apoptosis.
Withdrawal of what hormone leads to the vasoconstriction that leads to stimuli and vascular cell necrosis of the endometrium
How long does folliculogenesis last?
True or False: The granulosa cells make androgen precursors.
True or False: Theca cells contain 17a hydroxylase and 17,20 desmolase.
This hormone stimulates theca cells and granulosa cells to take up LDL cholesterol and its conversion to progestins
primordial follicles undergo initial recruitment to become _____ follicles
True or False: Theca and granulosa cells contain LH receptors but only the granulosa cells contain FSH receptors
characterized by a squamous granulosa cell layer
The process of follicle maturation
How many primordial follicles at puberty?
phase of the ovarian cycle that occurs between days 14 and 28 of the menstrual cycle
Which hormone promotes the growth of the endometrium?
LH acts with which cell of the female follicle?
Dependency on FSH for follicular growth begins at what stage in folliculogenesis? (follicle type)
Which cell type in the female produces inhibin?
Hormone responsible for libido in males and females
rapid decline in LH and FSH after ovulation is due to the exhaustion of what gland?
True or False: AN increase in pulse frequency and amplitude of GnRH promotes LH release?
How many oocytes are contained in 1 follicle?
True or False: Granulosa cells contain 17a hydroxylase and 17,20 desmolase.

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