| OCN | oculomotor nucleus; oncology certified nurse |
|---|---|
| DCN | data collection network; deep cerebral nucleus; delayed conditioned necrosis; depressed, cognitively... |
| OM | obtuse mental; occipitomental; occupational medicine; ocular movement; oculomotor; Osborne Mendel [r... |
| OMN | oculomotor nerve |
| E-W nucleus | Edinger-Westphal nucleus |