Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «O»:
Osteotomy, block: Surgical removal a section of
Osteotomy, cuneiform: Surgical removal of a
triangular piece of bone....
Osteotomy, displacement: Surgical reconfiguration
of a bone by changing its physical relationship to other
Ostomy: An operation to create an opening from an area inside the body to the outside....
Oswald Theodore Avery
Oswald Theodore Avery: See: Avery, Oswald Theodore....
Ot-: Prefix meaning ear, used before a vowel, as in otalgia and otitis. Before a consonant, ot- becomes oto-, as in otolaryngologist and otoscope. From the Greek "otos" pertaining to the ear....
Otalgia: Ear pain; earache. Otalgia can originate within the ear, the ear canal, or the external ear. From otos, the ear + the Greek algos, pain....
OTC (over-the-counter): Available without a prescription. OTC drugs are
available without a prescription, simply "over the counter." OTC
in contrast to prescription drugs that require a doctor's order.
Othello psychosis: See: Othello syndrome....
Othello syndrome: The delusion of infidelity of a spouse or partner. The Othello syndrome affects males and, less often, females. It is characterized by recurrent accusations of infidelity, searches for evidence, repeated interrogation of the partner, tests of their partner's fidelity, and sometime ...
Otic barotrauma: Middle ear problems due to changing atmospheric pressures, as when a plane descends to land. The problems include ear pain, ringing, diminished hearing and, sometimes, dizziness.
Also known as aerotitis: aerotitis media, barotitis, barotitis media....
Otitis: Inflammation of the ear. Depending upon which part of the ear is inflammed, there is otitis externa, otitis media, and otitis interna....
Otitis externa: Infection of the skin covering the outer ear canal that leads in to the ear drum, usually due to bacteria such as streptococcus, staphylococcus, or pseudomonas. Swimmer's ear is usually caused by excessive water exposure. When water pools in the ear canal (frequently trapped by wax),...
Otitis interna: Inflammation of the inner ear. Sometimes used as a synonym for labyrinthitis, inflammation of the labyrinth which is situated within the inner ear....
Otitis media: Inflammation of the middle ear characterized by the accumulation of fluid in the middle ear, bulging of the eardrum, pain in the ear and, if eardrum is perforated, drainage of purulent material (pus) into the ear canal.
Otitis media is the most frequent diagnosis in sick children in ...