Ossification of the femur in thyroxine-treated tadpoles of Rana pipiens.
D000818:Animals; D001001:Anura / Q000145:classification / Q000254:growth & development*; D002454:Cell Differentiation / Q000187:drug effects*; D005260:Female; D005269:Femur / Q000166:cytology* / Q000254:growth & development; D008297:Male; D008675:Metamorphosis, Biological; D008854:Microscopy, Electron; D010006:Osteoblasts / Q000166:cytology; D010012:Osteogenesis / Q000187:drug effects*; D013194:Staining and Labeling; D013974:Thyroxine / Q000494:pharmacology*
D013974:Thyroxine