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The Harvard Medical School Guide to Men’s Health Harvey B. Simon,M.D.
Chapter 1 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
SRY 1) MIS  2) T during fetal  development Gnrh ( hypothalamus)    FSH and LH (pituitary)  LH goes to testicle and makes “T” which with FSH initiates sperm production
In Testicle, Leydig cells use cholesterol    androstenedione   T T    DHT   prostate, skin, scalp, body hair follicles …. High LDL  Low HDL Primary characteristics  Sexual function Behavior RBCs T   secondary sex characteristics
T production ,[object Object],[object Object],[object Object]
T in Life Cycle ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Reproductive Cells in testicles Nurture sperm Sertoli cells Make sperm Germ cells  Make T Leydig cells
Movin ‘em out! ,[object Object],[object Object],[object Object],[object Object],[object Object]
Sexual Arousal ,[object Object],[object Object],[object Object],[object Object]
Ejaculation ,[object Object],[object Object],[object Object],[object Object],[object Object]
 
 
 

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The Harvard Medical School Guide To Men’S Health

  • 1. The Harvard Medical School Guide to Men’s Health Harvey B. Simon,M.D.
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  • 3. SRY 1) MIS 2) T during fetal development Gnrh ( hypothalamus)  FSH and LH (pituitary)  LH goes to testicle and makes “T” which with FSH initiates sperm production
  • 4. In Testicle, Leydig cells use cholesterol  androstenedione  T T  DHT  prostate, skin, scalp, body hair follicles …. High LDL Low HDL Primary characteristics Sexual function Behavior RBCs T  secondary sex characteristics
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  • 7. Reproductive Cells in testicles Nurture sperm Sertoli cells Make sperm Germ cells Make T Leydig cells
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