| OBS | obesity; obstetrical service; organic brain syndrome |
|---|---|
| ODTS | organic dust toxic syndrome |
| OHD | hydroxyvitamin D; Office of Human Development; Ondine-Hirschsprung disease; organic heart disease |
| OIT | organic integrity test |
| OMD | ocular muscle dystrophy; oculomandibulodyscephaly; organic mental disorder; oromandibular dystonia |
| VOC | Volatile organic chemicals |
|---|---|
| Cmoat | canalicular multispecific organic anion transporter |
| O.C. | organic carbon |
| OCT | organic cation transporter |
| organic principle | In chemistry, an organic compound that may exist already formed as a part of some other more complex substance (e.g., various sugars, starches, and albumins). Synonym: organic principle. (05 Mar 2000) |
|---|---|
| organic stricture | A stricture due to the presence of cicatricial or other new tissue, not spasmodic. Synonym: permanent stricture. (05 Mar 2000) |
| organic vertigo | Vertigo due to brain damage. (05 Mar 2000) |