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28 Cards in this Set
- Front
- Back
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What is the only organ that develops throughout life?
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OVARY
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what is a menarche?
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1st period
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2 parts of an ovary?
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corex and medulla
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what is the funciton of the medulla of the ovary?
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highly vascularized CT that takes hormones into blood
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3 cellular parts of a follice?
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oocyte + theca cells + granulosa cells
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what are the 4 stages of follice?
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primordial
primary secondary graffian |
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what follicle stage is this?
oocyte + single layer of follicular cell |
primordial
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what follice stage is this?
a single lamina around a layer of granulosa cells |
primary follicle
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what follicle stage is this?
a granulosa cell layer surrounded by zona pellucida and theca folliculi |
primary follicle
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what follicle stage is this?
mature follice releasing mature oocyte |
graffian follicle
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what cell of the follice secretes estrogen?
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granulosa
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what cell of the follice secretes progesterone?
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NONE but - granulosa becomes luteal cell to secrete it
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what 2 hormones does the granulosa cell secrete that has regulatory function?
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Inhibin and Activin, works on A Pit, for FSH
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What precedes/causes ovulation
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LH surge causes follice swelling AND collagenase causing follice to rupture and release the oocyte
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Fallopian tubes' mucosa layer has what 2 types of cells?
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PEG and CILIA
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what is the purpose of the peg cells of fallopian tubes?
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secrete nutrients for the fertilized ovum
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What is the corpus luteum?
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temporary endocrine structure made of the non-oocyte parts of graffian follice
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what is the major secretion of the corpus luteum? minor?
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progesterone, estrogen and androgen
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what causes the corpus luteum to degenerate?
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LACK of LH
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2 parts of uterus?
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endometrium and myometrium
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what are the phases of the endometrium?
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1 - proliferative
2 - ovulatory 3 - secretory (4) - menstruation |
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what stage of endometrium is this?
thin endometrium, healing and growing |
proliferative
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what stage of endometrium is this?
more proliferation, occurs 1/2 way thru menstrual period, corpus luteum formed |
ovulatory
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what stage of endometrium is this?
hypertrophy of cells, glandular secretion of Progesterone (via corpus luteum) |
secretory
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what stage of endometrium is this?
pooling of blood, detached functional layer |
Menstruation
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what 2 cells can secrete estrogen?
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granulosa and trophoblasts (of placenta)
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what times of life is estrogen highest?
lowest? |
highest - reproductive - ~13-40
Low - pre-pub, after menopause |
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__1___ hormone acts on ___2__ cells to uptake __3__ and change __3__ into __4___ which is then moved to ___5__
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1 leutenizing
2 theca 3 cholesterol 4 progest/testosterone 5 granulosa cells |
