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testosterone
testosterone
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testosterone and its effects on human development and behaviour
biosynthesis of steroid hormones
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Superficial arteries and veins of face and scalp, cardiovascular system, human anatomy, (Netter replacement project - SSC)
The Human Body
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New Seven Wonders of the World
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Ten Days That Vanished: The Switch to the Gregorian Calendar
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Science & Tech

testosterone

hormone
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Category: Science & Tech
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Related Topics:
testis
androgen
Leydig cell
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testosterone, hormone produced by the male testis that is responsible for development of the male sex organs and masculine characteristics, including facial hair and deepening of the voice. Testosterone was isolated from testicular extracts in 1935. Its discovery followed that of an androgen (male hormone) called androsterone, which was isolated from urine in 1931. However, testosterone proved to be more potent than androsterone, which was later shown to be a biochemical product (a metabolite) of testosterone. A healthy man produces about 5 mg (1.8 × 10−4 ounces) of testosterone daily. Testosterone serves as a circulating prohormone for a more active ...(100 of 416 words)

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