Testosterone

Testosterone Synonyms 17beta-Hydroxyandrost-4-en-3-one; testosterone--dea schedule iii; testosterone standard solution; testosterone gamma-irradiated cell*culture tested; testosterone cell culture tested--dea*schedule ii; Testosterone,99%; 17-hydroxyandrost-4-en-3-one; (17beta)-17-hydroxyandrost-4-en-3-one; (8xi,9xi,14xi,17beta)-17-hydroxyandrost-4-en-3-one CAS : 58-22-0 EINECS : 200-370-5 Molecular Formula : C19H28O2 Molecular Weight : 288.4244 Assay: 98% min. Density 1.12g/cm3 Appearance: White crystalline powder. Usage: Pharmaceutical material, Steroid hormone, Anabolin Testosterone is a steroid hormone from the androgen group and is found in mammals, reptiles, birds, and other vertebrates. In mammals, testosterone is primarily secreted in the testicles of males and the ovaries of females, although small amounts are also secreted by the adrenal glands. It is the principal male sex hormone and an anabolic steroid. In men, testosterone plays a key role in the development of male reproductive tissues such as the testis and prostate as well as promoting secondary sexual characteristics such as increased muscle, bone mass, and the growth of body hair. In addition, testosterone is essential for health and well-being,as well as the prevention of osteoporosis. On average, in adult human males, the plasma concentration of testosterone is about 7?8 times as great as the concentration in adult human females' plasma, but as the metabolic consumption of testosterone in males is greater, the daily production is about 20 times greater in men. Females are also more sensitive to the hormone. Testosterone is observed in most vertebrates. Fish make a slightly different form called 11-ketotestosterone. Its counterpart in insects is ecdysone. These ubiquitous steroids suggest that sex hormones have an ancient evolutionary history.

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