Ovaries and eggs
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- Question
- Answer
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- The primary organ of the female reproductive system is the [...].
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- The female germ cells are called [...].
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- The ovum secretes which 2 hormones?
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- The ovary is confined by the [...] and lined with simple cuboidal epithelium.
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- What are the 2 functions of the ovary?
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- An ovarian follicle contains a single [...] as well as [...] and [...] cells.
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- Before birth, an ovary stores up to [...] primordial ovarian follicles.
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- At birth, an ovary stores up to [...] primordial ovarian follicles.
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- By menarche, an ovary stores up to [...] primordial ovarian follicles.
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- By menopause, an ovary stores up to [...] primordial ovarian follicles.
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- Why does an ovary store many more ovarian follicles than can be released as eggs during a woman’s lifespan?
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- When does a 2° oocyte become an ovum?
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- Which type of imaging is used to tell if a woman has ovulated?
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- What are the 3 target organs of oestrogen and progesterone?
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- When the ovarian follicle is close to maturity, the levels of oestrogen that it secretes are high enough to trigger a surge in the release of which hormone?
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- In the ovary, FSH acts on the [...] cells to stimulate oestradiol production.
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- In the ovary, the hormone [...] acts on the granulosa cells to stimulate oestradiol production.
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- In the ovarian follicle, the conversion of cholesterol to androstenedione in theca cells is dependent on which pituitary hormone?
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- What happens to ovarian follicles in PCOS?
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- Oestrogen is secreted by the [...].
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- Progesterone is secreted by the [...].
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- In an ovarian follicle, the [...] is an acellular layer of glycoproteins which separates the oocyte for the zona granulosa.
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- LH receptors are expressed on [...] cells of the ovarian follicle.
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- Oestrogen receptors are expressed on the [...] cells of 1° and 2° ovarian follicles.
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- FSH receptors are expressed on the [...] cells of 1° and 2° ovarian follicles.
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- In the ovarian follicle, what does LH stimulate theca cells to produce?
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- In the ovarian follicle, the aromatization of androstenedione to oestrogens in granulosa cells is dependent on which pituitary hormone?
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- In the ovarian follicle, the development of the antrum and the production of follicular fluid is dependent on which pituitary hormone?
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- In the ovary, the dominant 2° follicle is stimulated by [...] and [...] to produce oestrogen.
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- In the ovary, the dominant 2° follicle is stimulated by FSH and LH to produce [...].
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- In the ovary, the preovulatory phase is characterized by rising progesterone output from the [...] cells of the dominant 2° follicle.
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- In the ovary, the preovulatory phase is characterized by the appearance of [...] and [...] hormone receptors.
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- The ovary is confined by the tunica albuginea and lined with [...] [...] epithelium.
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- Oestradiol is mostly produced in the [...].
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- Oestriol is mostly produced in the [...].
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- Oestrone is mostly produced in the [...].
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- What are the 3 major oestrogens from most to least potent?
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- Oogonia are [...]ploid ([...]N).
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- 1° oocytes are [...]ploid ([...]N).
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- 2° oocytes are [...]ploid ([...]N).
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- Ova are [...]ploid ([...]N).
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- A [...] is arrested in metaphase II until fertilization.
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- A 2° oocyte is arrested in [...]phase [...] until fertilization.
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- A 2° oocyte is arrested in metaphase II until [...].
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- A [...] is arrested in prophase I until ovulation.
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- A 1° oocyte is arrested in [...]phase [...] until ovulation.
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- A 1° oocyte is arrested in prophase I until [...].
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