Dictionary

osteonecrosis See avascular necrosis.

osteopath An osteopathic physician; a Doctor of Osteopathy (DO). In most US states, osteopaths complete a course of study equivalent to that of an MD and are licensed to practice medicine. They may prescribe medication and perform surgery, and they often use techniques similar to those used in chiropractic and physical therapy.

osteopathy A system of therapy founded in the 19th century that is based on the concept that the body can formulate its own remedies against diseases when its parts are in a normal structural relationship, it has a normal environment, and it enjoys good nutrition. Although osteopathy takes a holistic approach to medical care, it…

osteopenia Mild thinning of the bone mass. Osteopenia represents a low bone mass and is not as severe as osteoporosis. Osteopenia results when formation of new bone (osteoid synthesis) is not sufficient to offset normal bone loss (osteoid lysis).

osmolarity The concentration of osmotically active particles in solution, which may be quantitatively expressed in osmoles of solute per liter of solution.

osmolarity, plasma The osmolarity of blood plasma, which is a measure of the hydration status of the body. The plasma osmolarity is sensitive to changes in hydration status during dehydration and rehydration.

osseous Having to do with bone, consisting of bone, or resembling bone.

ossicle Any small bone, such as the tiny bones within the human ear.

ossification 1 The normal process of bone growth. 2 Hardening, becoming bone-like.

ossify To harden.

osteitis Inflammation of the bone.

osteitis deformans See Paget’s disease.