| OCN | oculomotor nucleus; oncology certified nurse |
|---|---|
| OM | obtuse mental; occipitomental; occupational medicine; ocular movement; oculomotor; Osborne Mendel [r... |
| OMN | oculomotor nerve |
| CAS | calcarine sulcus; calcific aortic stenosis; Cancer Attitude Survey; carbohydrate-active steroid; car... |
| CiS | cingulate sulcus |