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19 Cards in this Set
- Front
- Back
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What causes menstruation?
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Progesterone drop in luteal phase
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What develops endometrium
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Follicular phase estrogen
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What causes ovulation?
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LH surge
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Does the pill block oocyte meiosis?
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No
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What is a contraindication for the pill?
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smoking
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Where does fertilization occur
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Junction of ampulla and isthmus
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What does hCG do
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Made by the embryo, and then synctiotrophoblast, which feeds back on the corpus luteum to maintain it. Thus keeping the flow of PROGESTERONE
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Purpose of cortisol during pregnancy
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Augment prostaglandin synthesis
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What does 11 Beta Hydroxylase do?
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Creates both Aldo and Cortisol
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What does the zona reticularis produce?
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Androstenedione and DHEA, which need to go to ovaries and testicles because these cells don't contain enzyme 17 Beta dehydrogenase
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Where does the brain get its energy in starvation
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Ketone bodies
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What is the key intermediate in formation of PLs and TGs?
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Phosphatidic acid
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What is the intermediate between Phosphatidic acid and PC, PE, PS?
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Diacylglycerol
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What is the intermediate between Phosphatidic acid and PIP2?
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Phosphatidyl inositol
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When is PPP used to create sugar
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During the well-fed state (i.e., NOT marathon)
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Which eicosanoids (thromboxanes or leukotrienes) do glucocorticoids such as cortisol inhibit
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Glucocorticoids inhibit all eicosanoid production since glucocorticoids inhibit PLA2 which is the enzyme that creates Arachidonic acid from membrane phospholipids.
All eicosanoids are created from arachidonic acid |
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What promotes eicosanoid production?
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Mechanical trauma, cytokines, growth factors
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What eicosanoid causes anaphylaxis
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Leukotrienes
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Do the STATIN drugs block CH abs?
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NO. They block biosynthesis of CH
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