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O

Glossary of Medical Terms

• Oat cell carcinoma

• Obesity

• Obsessive-compulsive disorder

• Obstructive sleep apnoea

• Occlusion

• Occult blood

• Occupational disease

• Occupational therapy

• Ocular

• Oculomotor nerves

• Oedema

• Oesophageal spasm

• Oesophageal varices

• Oesophagus

• Oestrogen

• Oestrogen replacement therapy

• Olfactory nerves

• Oligodendroglioma

• Oligohydramnios

• Oligospermia

• Oncogenes

• Oocyte

• Oophorectomy

• Open heart surgery

• Ophthalmia

• Ophthalmologist

• Ophthalmoplegia

• Ophthalmoscopy

• Opportunistic infection

• Optic

• Optic nerves

• Optic neuritis

• Optician

• Oral contraceptives

• Orbit

• Orchidectomy

• Orchidopexy

• Orchitis

• Organ donation

• Organism

• Orgasm

• Orphan drugs

• Orthopnoea

• Orthotic

• Osgood-Schlatter disease

• Osmosis

• Ossification

• Osteitis

• Osteitis deformans

• Osteoarthritis

• Osteoblast

• Osteochondritis dissecans

• Osteochondritis juvenilis

• Osteochondroma

• Osteoclast

• Osteodystrophy

• Osteogenesis imperfecta

• Osteolysis

• Osteoma

• Osteomalacia

• Osteomyelitis

• Osteopetrosis

• Osteophyte

• Osteoporosis

• Osteosarcoma

• Osteosclerosis

• Otalgia

• OTC remedy

• Otitis externa

• Otitis media

• Otorrhoea

• Otosclerosis

• Ototoxicity

• Outpatient treatment

• Ovaries

• Over-the-counter remedy

• Overdose

• Ovulation

• Ovum

• Oxidation

• Oximetry

• Oxygen

• Oxygen free radicals

• Oxytocin

• Ozone