Tag: Testis

  • Testicles

    Testicles

    * Urinary Metabolites of testosterone and adrenal androgens: 17 ketosteroids (androsterone and étiocholanone) * Leydig cells differentiate from the 7th week and testosterone secretion appears to 9th SA; peaks between 14 and 18 SA (adult rate) * At birth, the plasma level of testosterone is low but increases in the neonatal period, reaching a peak…