Science / Female Reproductive Physiology

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Can you name the HYTQ concepts?

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

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