Testosterone hormone, light micrograph

Testosterone hormone, light micrograph

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Credit: ALFRED PASIEKA/SCIENCE PHOTO LIBRARY

Caption: Testosterone hormone. Polarised light micrograph of crystals of the male sex hormone testosterone. Testosterone is the main human androgen hormone, the class of steroid hormones responsible for the development of male reproductive organs and secondary sex characteristics. It is mainly produced in the testes by the action of a series of enzymes on pregnenolone, a steroid derived from cholesterol. Testosterone may be used in hormone replacement therapy to treat delayed puberty in boys, hypogonadism and some types of impotence. In women, testosterone may be effective in the treatment of breast cancer. Magnification 25x at 4x5 inch.

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Keywords: biochemical, biochemistry, chemical, chemistry, compound, compounds, crystal, crystals, hormones, images, magnified image, male, male hormones, microscopic photos, plm, polarised light micrograph, sex, sex hormones, subjects, testosterone

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