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oximeter
A device for determining the oxygen saturation level of the blood.
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ovum
Egg; the female reproductive element.
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ovulation
The process in which an ovum is released from the ovary.
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ovary
The female sex gland that contains ova, or eggs.
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otitis
Inflammation of the ear. Otitis externa (inflammation of the ear canal) is also called swimmer’s ear, while otitis media is…
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otic
Having to do with the ear.
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ostomy
A procedure done to make a passageway for waste. A colostomy is an example.
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osteoporosis
A bone disorder characterized by a reduction in bone density, chiefly found in women who have passed menopause and the…
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osteopathy
A system of therapy emphasizing primary medical care and the importance of body mechanics and manipulation to correct abnormalities.
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osteomyelitis
Infection of a bone.
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osteomalacia
Softening of the bones resulting from deficient bone calcium.
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osteoma
A bony tumor.
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osteoarthritis
A slowly progressive form of arthritis, usually found in older people. Characterized by deterioration of bone cartilage.
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ossicle
A small bone.
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Osgood-Schlatter disease
Inflammation of the bone and cartilage of the shin bone, just below the knee.
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oscillation
A back-and-forth motion; vibration.
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orthopnea
Difficulty breathing when lying flat.
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orthopedics
The branch of medicine that deals with the treatment of deformities, diseases and injuries of the bones, joints and…
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orthodontics
The branch of dentistry that deals with the correction of irregularities of the teeth and related facial problems.
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oropharynx
The part of the pharynx behind the mouth and tongue.
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orifice
The entrance or outlet of a body cavity.