Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «O»:
Oral surgeon: A dentist with special training in surgery of the
mouth and jaw. ...
Oral-motor: Relating to the muscles of the mouth
and/or mouth movements....
Orbit: In medicine, the bony cavity in which the eyeball sits together with its associated muscles, blood vessels, and nerves. The orbit is formed of parts of the ethmoid, frontal, lacrimal, nasal, palatine, sphenoid, and zygomatic bones and the maxilla....
Orbital: Relating to the orbit, in anatomy the bony cavity that contains the eyeball....
Orbital fracture: A break in one of the bones that make up the orbit. Since the orbit is the seat of the globe (the eye), an orbital fracture can be a serious, sight-threatening break. (Goggles are recommended for racquetball and handball players because of significant risk of orbital fracture from ...
Orbital ridge: The bony ridge beneath the eyebrow....
Orchiectomy: The surgical removal of one or both testes. ...
Orchiopexy: Surgery to bring down an undescended
of the testis (male sex organ). There are many causes of inflammation of the testis
including infections (such as mumps), diseases (such as polyarteritis nodosa), or injury.
Also called orchiditis....
Ordre des Medecins
Ordre des Médecins: The Conseil National de l'Ordre des Médecins. The French equivalent of the American Medical Association (the AMA)....
ORF: Open reading frame....
Organ: A relatively independent part of the body that carries out one or more special functions.
The organs of the human body include the eye, ear, heart, lungs, and liver....
Organ failure: The failure of an essential system in the body. Multiple organ failure is the failure of two or more systems, such as the cardiovascular, and renal systems, and is a common consequence of sepsis (the presence of bacteria in the bloods) and of shock (very low blood pressure)....
Organ of hearing
Organ of hearing: See: Cochlea....
1. A chemical compound that contains carbon.
2. Related to an organ.
3. Grown or prepared without the use of chemicals or pesticides, as in organic food....