Medical Terminology & Phrases

To add this medical terminology list to your word-processor's spell checker:

With your word-processing program or a text editor open, use your mouse to select all the words below in one group. Then, while the words are still selected, copy the words by keying <CTRL>+<C>. This copies the selected text to your computer's "clipboard." Go to a new page in your word-processing program or text editor and key <CTRL><V>. This "pastes" the words onto the page from your computer's "clipboard." Now run your spell-checking feature as you normally would and just add any words your spell checker program does not recognize. The medical words listed below are separated by a semi-colon & a space.

You may also want to search the Medword Online Medical Dictionary, containing over 140,000 entries, including common medical terminology, medical phrases, diseases, syndromes, & more. To jump to the Online Medical Dictionary, please click HERE.

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Oat cell cancer; OB; OB/GYN; Obese; Obesity; Obesity, endogenous; Obesity, exogenous; Obesity, gynecoid; Obesity-related diseases; Objective; Observer variation; Obsessive-compulsive disorder (OCD); Obstetrical forceps; Obstetrician; Obstetrician/gynecologist; Obstetrics; Obstruction, airway; Obstructive sleep apnea; Obtunded; Occipital bone; Occiput; Occular; Occult; Occupational Safety & Health, Nat'l Institute for; Occupational therapist; OCD (Obsessive-compulsive disorder); OCD (osteochondritis dissecans); Ocean itch; OCP; OCPD; Ocular; Ocular conjunctiva; Oculomotor nerve; Oesophagus; Off-label use; Offspring; Ointment; Olecranon; Olfaction; Olfactory nerve; Oligo- (prefix); Oligodactyly; Oligodendrocyte; Oligodendroglioma; Oligohydramnios; Oligomenorrhea; Oligonucleotide; Oligospermia; Oliguria; Ollier disease; Omega-3 fatty acids; Omentum; Ommaya reservoir; Omphalo- (combining form); Omphalocele; Omphalos; OMS; Onchocerciasis; Oncogene; Oncologist; Ondine's curse; Oneself, fear of; Onycho- (prefix); Onychodystrophy; Onycholysis; Onychomycosis; Onychomycosis, proximal white subungual; Onychoosteodysplasia; Oocyte; Oogonium; Oophorectomy; Oophoritis; Open charting; Open fracture; Open reading frame; Open wound; Opening, vaginal; Operating room; Operation; Operation, Blalock-Taussig; Operation, Macewen; Ophthalmia; Ophthalmic; Ophthalmic artery; Ophthalmic migraine; Ophthalmic veins; Ophthalmitis; Ophthalmologist; Ophthalmology; Ophthalmopathy; Ophthalmoscope; Opiate; Opioid; Opium; Opportunistic condition; Opportunistic infection; Opportunistic microorganism; Optic; Optic cup; Optic disc; Optic nerve; Optic nerve head; Optic nerve pathways; Optic neuroma; Optician; Optometrist; OR (abbreviation); Oral; Oral cancer; Oral candidiasis; Oral contraceptive; Oral contraceptive, combined; Oral glucose tolerance test; Oral moniliasis; Oral rehydration therapy; Oral surgeon; Oral-motor; Orbit; Orbital; Orbital fracture; Orbital ridge; Orchiectomy; Orchiopexy; Orchitis; Organic; Organic brain syndrome; Organic dust toxic syndrome; Organisation Mondiale de la Sante; Organotherapy; Organs of reproduction, female; Orgasm; Oriental medicine (traditional); Orientation, anatomic terms of; Orifice; Ornithine transcarbamylase (OTC) deficiency; Ornithophobia; Oromandibular dystonia; Oropharynx; Orphan disease; Orphan drug; Ortho- (prefix); Orthodontic treatment (dental braces); Orthodontics; Orthopaedics; Orthopaedist; Orthopedics; Orthopedist; Orthopnea; Orthopod; Orthoscopic; Orthosis, thoracolumbosacral (TLSO); Orthostatic hypotension; Os sacrum; Oscitation; Osgood-Schlatter disease; Osler-Rendu-Weber syndrome; Osler's nodes; Osseous; Ossicle; Ossification; Ossify; Osteitis; Osteitis deformans; Osteitis fibrosa cystica; Osteo- (prefix); Osteoarthritis; Osteoblastoma; Osteochondritis dissecans; Osteochondroma; Osteochondromatosis; Osteochondromatosis, synovial; Osteochondrosis; Osteoclasia; Osteoclasis; Osteoclast; Osteoclastoma; Osteocyte; Osteodystrophy; Osteodystrophy, renal; Osteogenesis; Osteogenesis imperfecta; Osteogenesis imperfecta congenita; Osteogenesis imperfecta tarda; Osteogenesis imperfecta type I; Osteogenesis imperfecta type II; Osteogenesis imperfecta with blue sclerae; Osteogenesis, electrically stimulated; Osteoid osteoma; Osteomalacia; Osteomyelitis; Osteonecrosis; Osteopath; Osteopathy; Osteopenia; Osteopetrosis; Osteoporosis; Osteosarcoma; Osteosynthesis; Osteotomy; Osteotomy, block; Osteotomy, cuneiform; Osteotomy, displacement; Ostomy; OTC (over-the-counter); Otic barotrauma; Otitis; Otitis externa; Otitis interna; Otitis media, acute; Oto- (prefix); Otolaryngologist; Otology; Otopharygeal tube; Otoplasty; Otoscope; Ounce; Outer ear; Outpatient; Output, cardiac; Ova; Ovarian cancer; Ovarian cancer test (CA 125); Ovarian cysts; Ovarian pregnancy; Ovarian teratoma; Ovary; Ovary cyst, follicular; Ovary, dermoid cyst of the; Over-the-counter (OTC) drug; Overgrowth; Overgrowth syndromes; Overload, iron; Overweight; Ovulation; Ovum; Oxygen; Oxygen mask; Oxygen tent; Oxygenate; Oxygenation; Oxyhemoglobin; Oxymetholone; Oxytocin; Oxyuris; oz.;

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Important:
Please use the above list at your own risk. While we make every effort to ensure accuracy, we cannot be held responsible for errors in spelling or capitalization, or any circumstance that may result because of said error. In using the above list you also agree to never hold Medword Medical Sales responsible for any errors should they exist. We appreciate notification of any duplicate listings that may be found.