| SEMDJL | spondyloepimetaphyseal dysplasia with joint laxity |
|---|---|
| SIJ | sacroiliac joint |
| SJS | Stevens-Johnson syndrome; stiff joint syndrome; Swyer-James syndrome |
| STT | scaphotrapeziotrapezoid [joint]; serial thrombin time; skin temperature test |
| TIPJ | terminal interphalangeal joint |