 |
|
| | A drug used to treat pain. It contains opium or a substance made from opium (such as morphine). |
| Previous Definitions: | open colectomy, open label study, operable, ophthalmic, ophthalmoscope | | Next Definitions: | opioid, opioid growth factor, opportunistic infection, oprelvekin, OPT-80 |
|
|
