| MTOC | microtubule organizing center; mitotic organizing center |
|---|---|
| NOR | Nucleolar Organizing Region |
| BOOP | bronchiolitis obliterans-organizing pneumonia |
| COP | capillary osmotic pressure; change of plaster; coefficient of performance; colloid oncotic pressure;... |
| IOC | International Organizing Committee on Medical Librarianship; intern on call |