| SI | International System of Units [Fr. le Systeme International d'Unites]; sacroiliac; saline infusion; ... |
|---|---|
| OCT | 1) Ornithine Carbamyl Transferase 2) Oxytocin Challenge Test |
| OCT | object classification test; optimal cutting temperature; oral contraceptive therapy; ornithine carba... |
| OT | objective test; oblique talus; occlusion time; occupational therapist, occupational therapy; ocular ... |
| OX | optic chiasma; oxacillin; oxalate; oxide; orthopedic examination; oxytocin |