| SI | International System of Units [Fr. le Systeme International d'Unites]; sacroiliac; saline infusion; ... |
|---|---|
| SN | sclerema neonatorum; scrub nurse; sensorineural; sensory neuron; serum neutralization; sinus node; s... |
| SNAP | sensory nerve action potential; S-nitroso-N-acetylpenicillamine |
| SNCS | sensory nerve conduction studies |
| SNCV | sensory nerve conduction velocity |