Androgens & Anabolic Steroids
1. Androgens (Male Sex Hormone): - development of secondary sex characters in male - it was isolated as testicular hormone - commercial sources: urine of male, female and testicular extracts - it is also a product of the adrenal cortex - androgen is able to develop secondary sex characteristics in castrated male - e.g. testosterone Secretion and Regulation- - secreted by interstitial cells/Leydig cells of testes - FSH stimulation on testes causes testosterone secretion Pharmacological Actions- - growth of genitalis (penis, scrotum, seminal vesicle) - growth of hairs (pubic, axillary, beard, etc) - thickening of the skin - veins look prominent since subcutaneous fat is lost - larynx grows & voice deepens - penile erection and physical aggression - development of the male ...