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Estrogen


estrogen
one of a group of female sex hormones; an estrus-producing hormone
Source: Noland, George B. 1983. General Biology, 11th Edition. St. Louis, MO. C. V. Mosby ...
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In women, levels of estrogen fluctuate on natures carefully orchestrated schedule, regulating the development of secondary sex characteristics, including breasts; regulating the monthly cycle of menstruation; ...
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Estrogens also have non-reproductive effects.
They antagonize the effects of the parathyroid hormone, minimizing the loss of calcium from bones and thus helping to keep bones strong.
They promote blood clotting.
Progesterone ...
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estrogen: a hormone produced by the ovaries that stimulates the development of secondary female characteristics.
eubacteria: modern bacteria.
eukaryotes: cells that contain a nucleus and internal cellular bodies called organelles.
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estrogen A female sex hormone that performs many important functions in reproduction.
ethylene A gaseous plant hormone that stimulates fruit ripening and the dropping of leaves.
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Estrogen increases the risk of endometrial cancer but progesterone reduces the risk.
Diet ...
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estrogens
[Gk. oistros, frenzy + genos, origin, descent]
The primary female steroid sex hormones, ...
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Estrogen replacement therapy has been used since the condition was described in 1938 to promote development of secondary sexual characteristics. Estrogens are also important for maintaining good tissue and bone integrity.
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estrogen The female sex hormone in vertebrates.
estrone An animal steroid found in some plants in low concentration.
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Males and females have receptors for estrogens, progesterone, and androgens in various tissues.
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Estrogen and progesterone are the most important of these in mammals. These hormones induce and maintain the physical changes of puberty and the secondary sex characteristics.
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Scientists there also have developed fluorine-18 fluoroestradiol that targets estrogen receptors on breast tumors.
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follicles
Microscopic structures in the ovary that contain developing ova and secrete estrogens.
Covered in Lab 14 Gametogenesis and Development
foot
The molluscian organ of locomotion.
Covered in Lab 12 Animal Diversity II ...
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Sequences of response elements are required for the functions of the transcription factors. Examples: Estrogen Response Element (ERE), Glucocorticoid Response Element (GRE), Progesterone Response Element (PRE).
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