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Testosterone hormone

Item # 1136880

Alfred Pasieka

<p>Alfred Pasieka is a scientific photographer, computer graphics illustrator, and animator.</p>

<p>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: x100 at 6x7cm size.</p>

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Science Chemistry Alfred Pasieka Photography