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testosterone
testosterone
testosterone A
steroid hormone, secreted by the testis, that in mammals and birds is the principal male sex hormone, responsible for the development of
secondary sexual characteristics, It is also found in females as an intermediate in the synthesis of
oestrogen.
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Testosterone supplementation: What and how to give
Magazine article from: Aging Male; 9/1/2003; ; 700+ words
; Key words: TESTOSTERONE DEFICIENCY, TESTOSTERONE SUPPLEMENTATION, TESTOSTERONE UNDECANOATE INJECTIONS, TESTOSTERONE TRANSDERMAL PATCH, TESTOSTERONE-CONTAINING GEL ABSTRACT Several epidemiological studies have demonstrated a gradual decrease...
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Testosterone replacement for male hypogonadism.(Drug Update)
Magazine article from: Family Practice News; 6/1/2005; ; 700+ words
; Testosterone replacement therapy is approved by...the failure of the testes to produce testosterone. Men with true hypogonadism have symptoms...and diminished well-being, with testosterone levels lower than about 300 ng/dL...
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Testosterone replacement for male hypogonadism.(DRUG UPDATE)
Magazine article from: Internal Medicine News; 6/1/2005; ; 700+ words
; Testosterone replacement therapy is approved by...the failure of the testes to produce testosterone. Men with true bypogonadism have symptoms...and diminished well-being, with testosterone levels lower than about 300 ng/dL...
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Testosterone Measured by 10 Immunoassays and by Isotope-Dilution Gas Chromatography-Mass Spectrometry in Sera from 116 Men, Women, and Children
Magazine article from: Clinical Chemistry; 8/1/2003; ; 700+ words
; Background: Commercially available testosterone immunoassays give divergent results...nonimmunochemical method that could quantify low testosterone concentrations. Methods: We measured serum testosterone in 50 men, 55 women, and 11 children...
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Testosterone and Sexuality.
Newspaper article from: Psychiatric Medicine in Primary Care; 1/1/2001; 700+ words
; Testosterone and Sexuality Abstract & commentary...Shifren JL, et al. Transdermal testosterone treatment in women with impaired sexual...examining the effect of transdermal testosterone treatment in 75 women who had undergone...
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Testosterone therapy's benefits, risks need crystallizing.
Newspaper article from: Harvard Heart Letter; 3/1/2008; 700+ words
; In older men, low testosterone may contribute to heart disease...and other chronic conditions. Testosterone, the most male of hormones, profoundly...shape for love and everything else. Testosterone was once thought to be bad for the...
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Optimizing testosterone levels in aging men.(REPORT)(Clinical report)
Magazine article from: Life Extension; 7/1/2008; ; 700+ words
; By the age of 80, a man's testosterone level may only be 20% of what it was in his youth. This decline in testosterone occurs gradually, starting as...disease. [ILLUSTRATION OMITTED] Testosterone deficiency can also lead to a number...
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Testosterone and erectile physiology
Magazine article from: Aging Male; 12/1/2006; ; 700+ words
; Abstract The role of testosterone deficiency in sexual dysfunction...particular erectile dysfunction) and testosterone deficiency, such as chronic illness...animals have proven that addition of testosterone, and its conversion to dihydrotestosterone...
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TESTOSTERONE TESTED AS MOOD DRUG
Newspaper article from: The Boston Globe; 1/1/2003; ; 700+ words
; ...synthesized in a laboratory, injections of testosterone were prescribed for depression. Psychiatrists...been onto something, that a dose of testosterone could effectively treat major depression...one thing in common, unusually low testosterone levels. After 10 men received an eight...
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TESTOSTERONE REPLACEMENT THERAPY MAY HELP MANY OLDER MEN
News Wire article from: US Fed News Service, Including US State News; 11/20/2006; 700+ words
; ...issued the following news release: Testosterone replacement therapy may help improve...and muscle mass in older men with low testosterone levels, according to a University...Medicine, said that while declining testosterone levels in men is a normal part of aging...
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Testosterone
Encyclopedia entry from: Gale Encyclopedia of Cancer
Testosterone Definition Synthetic derivatives of the natural hormone testosterone are used to reduce the size of hormone-responsive tumors. Purpose Testosterone-related drugs are used to treat advanced disseminated breast cancer in women...
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testosterone
Book article from: The Columbia Encyclopedia, Sixth Edition
testosterone , principal androgen, or male sex...compounds known as anabolic steroids , testosterone is secreted by the testes (see testis...placenta, usually from cholesterol . Testosterone is necessary in the fetus for the development...
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Sex Hormones Tests
Encyclopedia entry from: Gale Encyclopedia of Medicine, 3rd ed.
...including estrogen, progesterone, and testosterone. Purpose The sex hormone tests are...to monitor high-risk pregnancies. Testosterone levels are ordered to evaluate: ambiguous...secondary female characteristics. Testosterone is a hormone that induces puberty in...
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Andropause
Encyclopedia entry from: Encyclopedia of Aging
...describe the slow, steady decline of testosterone in men as they age. This process is...sexual function is multifactorial with testosterone likely playing only a minor, if any, role. Testosterone appears more important in maintaining...
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Androgen Insensitivity Syndrome
Book article from: Genetics
...androgen receptor. This protein binds testosterone and regulates the expression of other...stimulate male sexual development. Testosterone is the principal male androgen. AIS...produce estrogen, and testes produce testosterone. These two hormones provide crucial...
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