ORMC - Pacinian corpuscle
- osteo-modulin
- osteo-odontoma
- osteo-onychodysplasia
- osteoacusis
- osteoadherin
- osteoanagenesis
- osteoanesthesia
- osteoaneurysm
- osteoarthritis
- osteoarthritis deformans
- osteoarthropathy
- osteoarthrosis
- osteoarthrosis juvenilis
- osteoarthrotomy
- osteoarticular
- osteoblast
- osteoblastic
- osteoblastic osteosarcoma
- osteoblastic sarcoma
- Osteoblastoma
- osteocachexia
- osteocalcin
- osteocampsia
- osteocampsis
- osteocartilaginous
- osteocartilaginous exostosis
- osteocementum
- osteochondral
- osteochondritis
- osteochondritis deformans juvenilis
- osteochondritis deformans juvenilis dorsi
- Osteochondritis dissecans
- osteochondritis ischiopubica
- osteochondritis necroticans
- osteochondritis ossis metacarpi et metatarsi
- osteochondrodysplasia
- osteochondrodystrophia
- osteochondrodystrophia deformans
- osteochondrodystrophy
- osteochondrofibroma