Term
Name the 3 structures of the uterine cycle? |
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Definition
1. perimetrium 2. myometrium 3. endometrium |
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Term
Which structure is the functional layer and lines the uterus. |
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Definition
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Term
Which phase is seen days 1-4, and sloughing of the functional layer? |
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Definition
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Term
Which phase is days 5-14 and regeneration of functional layer from basal layer occurs? |
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Definition
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Term
Which pae is days 15-28, glands secrete glycogen? |
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Definition
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Term
Which phase and what day does the embryo implant? |
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Definition
day 6 secretory phase, day 20 of uterine cycle |
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Term
T/F if no fertilization, ischemia in functional layer leads to sloughing? |
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Definition
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Term
What hormone promotes proliferation of endometrium during first half of uterine cycle? |
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Definition
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Term
What hormone stimulates endometrial glands to secrete glycogen. |
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Definition
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Term
T/F rising levels of estrogen and progesterone cause ischemia and sloughing of functional layer of the endometrium? |
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Definition
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Term
What is the sequence of events beginning with contact of sperm with oocyte membrane and ending with the mingling of maternal and paternal chromosomes (lasts about 24 hrs)? |
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Definition
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Term
1. T/F sperm usually lasts for 24 hrs or less, but some up to 3 days? 2. oocyte lasts up to 48 hrs after ovulation? |
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Definition
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Term
Location the gametes meet |
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Definition
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Term
What 2 things must spermatozoa undergo before they are able to fertilize the oocyte? |
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Definition
1. capacitation 2. acrosome reaction |
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Term
During what stage is the glycoprotein coat removed? |
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Definition
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Term
What reaction releases enzymes needed to penetrate the zona pellucida? |
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Definition
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Term
Name the 3 phases of fertilization? |
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Definition
1. penetration of the corona radiata 2. penetration of the zona pellucida 3. fusion of the oocyte and the sperm cell membranes |
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Term
T/F of the 200 to 300 million spermatozoa deposited in the female genital tract, only 1 reach the site of fertization? |
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Definition
-False, 300 to 500 reach the site of fertilization, only 1 fertilizes the egg |
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Term
What is a glycoprotein shell currounding the egg that facilitates and maintains sperm binding and induces the acrosome reaction? |
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Definition
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Term
T/F multiple sperm penetrates the zona pellucida? |
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Definition
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