| SPK | serum pyruvate kinase; superficial punctate keratitis |
|---|---|
| SSM | subsynaptic membrane; superficial spreading melanoma |
| STA | second trimester abortion; serum thrombotic accelerator; superficial temporal artery |
| STA-MCA | superficial temporal artery to middle cerebral artery |
| sup | above [Lat. supra]; superficial; superior; supinator; supine |