Word: fsh
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Proterozoic ? First shellfish and corals Cambrian Ordovician ? First fsh Silurian ? First land plants Devonian ? Tiktaalik ? First tetrapods Carboniferous ? First reptiles ? First mammal-like reptiles Permian Triassic ? First dinosaurs ? First mammals Jurassic ? First birds Cretaceous ? First flowering plants Cenozoic ? First horses...
Within five days after her cycle starts (see chart), a woman's pituitary gland begins producing the follicle-stimulating hormone FSH, which travels through the blood to the ovaries, which contain about 300,000 follicles. FSH starts a few of these on a growth process that results in the production of one ovum (egg). Around the 14th day of the cycle, ovulation occurs: the follicle releases the ovum, which travels down the Fallopian tube toward the uterus. If it encounters a live spermatozoon on the way, or soon after its arrival, the ovum will be fertilized...
...Growth (somatotropic) hormone, ACTH (adrenocorticotropic), thyroid-stimulating (thyrotropic) hormone and, in women, three that regulate the reproductive cycle: follicle-stimulating (FSH), luteinizing (LH) and prolactin...
Another First. Dr. Choh Hao Li, 36-year-old Chinese-born University of California biochemist, reported success in isolating for the first time the sex hormone FSH (for follicle-stimulating hormone). In the female, FSH stimulates the growth of follicles in the ovary and makes ovulation possible; in the male, it stimulates tubules in the testes that produce sperm. Dr. Li isolated it from the pituitary glands of freshly killed sheep. Since other researchers were looking for it, too, Dr. Li says: "I was damn lucky. I hit on the right method." With the same sort of "luck...
...every pituitary reaction to a separate hormone. Riddle exposed some of these as "ghosts." He believes the number of definitely established front-lobe hormones to be small-five at most. These possible five are 1) thyrotropin, the thyroid-stimulator; 2) adrenotropin, which acts on the adrenals; 3) and 4), "FSH" and "LH" which affect the ovaries or testes; 5) prolactin...
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