| SIP | Sickness Impact Profile; slow inhibitory potential; surface inductive plethysmography |
|---|---|
| SmIg | surface membrane immunoglobulin |
| S-MUAP | surface-detected motor unit action potential |
| SP | sacroposterior; sacrum to pubis; salivary progesterone; schizotypal personality; semi-private [room]... |
| SPA | salt-poor albumin; sheep pulmonary adenomatosis; sperm penetration assay; spinal progressive amyotro... |
| lingual surface of tooth | The surface of a tooth that faces the tongue; opposite to the facies vestibulum dentis. Synonym: facies lingualis dentis. (05 Mar 2000) |
|---|---|
| lunate surface of acetabulum | The curved articular surface that surrounds the acetabular fossa and articulates with the head of the femur. Synonym: facies lunata acetabuli. (05 Mar 2000) |