The effect of age on the in vitro metabolism of androgen by guinea pig testis.
D000375:Aging; D000728:Androgens / Q000096:biosynthesis*; D000818:Animals; D006168:Guinea Pigs; D066298:In Vitro Techniques; D008297:Male; D011374:Progesterone / Q000378:metabolism*; D011467:Prostate / Q000033:anatomy & histology; D012669:Seminal Vesicles / Q000033:anatomy & histology; D013347:Subcellular Fractions; D013737:Testis / Q000033:anatomy & histology / Q000378:metabolism*; D013739:Testosterone / Q000096:biosynthesis
D000728:Androgens; D013739:Testosterone; D011374:Progesterone