epitestosterone


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epitestosterone

(ĕp′ə-tĕs-tŏs′tə-rōn′)
n.
A biologically inactive form of testosterone, C19H28O2, that is normally present in amounts about equal to testosterone in adult males. High ratios of testosterone to epitestosterone in urine may indicate that an individual has taken exogenous testosterone.
References in periodicals archive ?
Simultaneous OF testosterone, epitestosterone, dihydrotestosterone, DHEA, androsterone, etiocholanolone, and [alpha]- and [beta]-androstanediol quantification collected with the Quantisal device were presented, but never published (40).
2] (17[beta]-estradiol) were found in blood or tissue samples of any of the animals tested in the present study, and testosterone and epitestosterone were only detectable in testes.
A second test confirmed the preliminary findings of deficient levels of epitestosterone.
A 16-page submission claims "grossly inconsistent" testosterone and epitestosterone levels in his 'A' sample and mismatched code numbers on his 'B' sample.
Diuretics and other masking agents: Epitestosterone, probenecid, alpha-reductase inhibitors, plasma expanders
The International Cycling Union (UCI) confirmed a B sample taken from Landis, who ended up winning the event, had tested positive, backing up the A sample which had found an "unusual" level of epitestosterone.
However, the 30-year-old cyclist and his lawyer have previously acknowledged they expect the ``B'' sample to show the same elevated ratio of testosterone to epitestosterone found in the ``A'' sample.
His Phonak team said yesterday: "We were notified about an unusual level of testosterone/ epitestosterone ratio in the test made on Floyd Landis after Stage 17 of the Tour de France.
109) A positive test for testosterone at the time required a ratio of testosterone to epitestosterone (T/E ratio) greater than six-to-one.
Saden-Krehula M, Tajic M, Kolbah D: Testosterone, epitestosterone and androstenedione in the pollen of Scotch pine P.
Excretion of testosterone, epitestosterone, androstenedione and 7-ketodehydroepiandrostenedione in healthy men of different ages.
A* Like almost every other testing program, Baseball's program uses a testosterone to epitestosterone (T/E) ratio of 4:1 as a screening device.