| Abbreviation | Definition |
|---|---|
| SAFL | Superficial Anulus Fibrosus Ligament |
| SAFT | Skin Application Food Test |
| SAH | SubArachnoid Hematoma |
| SAL | Salicylate |
| SAL | Salve |
| SALN | Sentinel Axillary Lymph Node |
| SAM | Systolic Anterior Motion |
| SAMe | S-AdenosylMethioninE |
| SAMM | Seasonal Approach To Managing Mastitis |
| SANODE | Sino-Atrial Node |
| SANS | Scale for Assessing Negative Symptoms |
| SANS | Stoller Afferent Nerve Stimulator |
| SAP | Sensory Action Potential |
| SAPA | Sudanese American Physicians Association |
| SAPS | Scale for Assessing Positive Symptoms |
| SAR | Sodium Absorption Ratio |
| SAR | Sodium Adsorption Ratio |
| SAR | Specific Absorption Rate |
| SARDS | Sudden Acquired Retinal Degeneration Syndrome |
| SARI | Severe Acute Respiratory Infection |