)ب ( ا  اﻟﻤﻨﺸﺄ اﻟﺪاﺧﻠﻴﺔ  اﻟﺒﻨﺎﺋﻴﺔ اﻷﻧﺪروﺟﻴﻨﻴﺔ ﻟﺴﺘﻴﺮوﻳﺪات **ﻣ  ﺗﻌﻄﻰ ﻋﻨﺪﻣﺎ  ﻣﻨﺸﺄ ﻦﺧﺎرﺟﻲ : androstenediol (androst-5-ene-3 β,17β-diol) ; androstenedione (androst-4-ene-3,17-dione) ; dihydrotestosterone (17β-hydroxy-5 α-androstan-3-one) ; prasterone (dehydroepiandrosterone, DHEA) ; testosterone ﺑاﻟﺘﺎ  واﻷﻳﺴﻮﻣﺮات  اﻷﻳﻀﻴﺔ  اﻟﻤﻮاد إﻟﻰ  ﻟﻴﺔﺎﻹﺿﺎﻓﺔ  : 5α-androstane-3α ,17α-diol; 5α-androstane-3 α,17β-diol; 5α-androstane-3 β,17α-diol; 5α-androstane-3 β,17β-diol; androst-4-ene-3 α,17α-diol; androst-4-ene-3 α,17β-diol; androst-4-ene-3 β,17α-diol; androst-5-ene-3 α,17α-diol; androst-5-ene-3 α,17β-diol;  androst-5-ene-3 β,17α-diol; 4-androstenediol (androst-4-ene-3 β,17β-diol) ; 5-androstenedione (androst-5-ene-3,17-dione) ; epi-dihydrotestosterone; epitestosterone 3α-hydroxy-5 α-androstan-17-one; 3 β-hydroxy-5α -androstan-17-one; 19-norandrosterone; 19-noretiocholanolone.  ]