title: Experimental ependymomas: in vivo and in vitro morphology.
mesh_terms: D000818:Animals; D000831:Animals, Newborn; D001932:Brain Neoplasms / Q000473:pathology; D002551:Cerebral Ventricle Neoplasms / Q000473:pathology; D004806:Ependymoma / Q000473:pathology*; D004967:Estrogens; D005260:Female; D008431:Maternal-Fetal Exchange; D009368:Neoplasm Transplantation; D009374:Neoplasms, Experimental / Q000473:pathology; D011247:Pregnancy; D051381:Rats; D013120:Spinal Cord Neoplasms / Q000473:pathology; D013194:Staining and Labeling
chemical_list: D004967:Estrogens