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MaleFemale - Male sex hormones At puberty, changes in the...

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Unformatted text preview: Male sex hormones At puberty, changes in the brain result in the secretion of gonadotrophic Male sex hormones hormone (GH), which stimulates the testes to produce testosterone. At puberty, changes in the brain result in the secretion of gonadotrophic Testosterone triggers: hormone (GH), which stimulates the testes to produce testosterone. • hair and beard growth •Testosterone triggers: enlargement of the penis and prostate gland •• development of growth hair and beard the testes and initiation of sperm production the penis and prostate gland • enlargement of •• deepening of thethe testes and initiation of development of pitch of the voice Testosterone •sbody muscle development perm production Male sex hormone • deepening of the pitch of the voice Testosterone • body muscle development Anabolic sex hormone Male steroids Synthetic steroidal hormones (testosterone-like) used to stimulate muscle and bone growth. Initially developed to help patients with debilitating illnesses to regain Anabolic steroids muscle (anabolic effect). Synthetic steroidal hormones (testosterone-like) used to stimulate muscle and Side effects: Initially developed to help patients with debilitating illnesses to regain bone growth. -muscle (anabolic heart attack, strokes, and liver problems. increased risk of effect). -Side effects: breast development and genital shrinking in men, masculinization of the female body, acne and hair loss attack, strokes,androgenic effect). - increased risk of heart in both sexes ( and liver problems. - breast development and genital shrinking in men, masculinization of the female body, acne and hair loss in both sexes (androgenic effect). Female sex hormones Female sex hormones Estrogens (Estradiol): regulates the menstrual cycle Progestins (Estradiol): regulates the the uterus to receive a fertilized Estrogens (Progesterone): prepare menstrual cycle egg and helps maintain pregnancy once it has begun. Progestins (Progesterone): prepare the uterus to receive a fertilized The levelhelps maintain pregnancy once it has begun. the brain. egg and of sex hormones in the blood is controlled by Two brain hormones, FSH and The level of sex hormones in the blood is controlled by the brain. Brain LH, promote the production of FSH LH sex hormones by the ovaries and Two brain hormones, FSH and Brain tLH, promote the production of estes. FSH LH sex hormones by the ovaries and Inhibition Inhibition tAs the amount of sex hormone estes. of release of release increases, it turns off the Inhibition Inhibition production of FSHsex hormone As the amount of and LH, of release of release kncreases, itlevels of sex i eeping the turns off the Ovaries Testes hormone roughly constant., production of FSH and LH keeping the levels of sex Ovaries Testes hormone roughly constant. Estrogens Testosterone and progestins Estrogens and progestins Testosterone 6 6 ...
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