| Sph | D-Sphingosine |
|---|---|
| SPH | Sphingomyelin |
| Sph-1-P | Sphingosine 1-phosphate |
| SPI | Soy protein isolate |
| SPI | Spitz |
| SPI | serine protease inhibitor |
| SPI | soya-bean-protein isolate |
| SPI | subnucleus interpolaris |
| SPI | substance P-like immunoreactive |
| SPI1 | Salmonella Pathogenicity Island 1 |