Fixation of steroids to receptors.
D000728:Androgens; D000818:Animals; D001345:Autoradiography; D001665:Binding Sites; D001943:Breast Neoplasms / Q000378:metabolism; D002467:Cell Nucleus; D055598:Chemical Phenomena; D002621:Chemistry; D003593:Cytoplasm; D004958:Estradiol / Q000494:pharmacology*; D005260:Female; D006863:Hydrogen-Ion Concentration; D066298:In Vitro Techniques; D007668:Kidney / Q000378:metabolism; D008854:Microscopy, Electron; D010902:Pituitary Gland / Q000378:metabolism; D011374:Progesterone; D051381:Rats; D012728:Sex Chromatin; D014316:Tritium; D014599:Uterus / Q000166:cytology / Q000187:drug effects*; D014621:Vagina / Q000166:cytology / Q000378:metabolism*
D000728:Androgens; D014316:Tritium; D011374:Progesterone; D004958:Estradiol