| SAU | statistical analysis unit |
|---|---|
| SC | conditioned stimulus; sacrococcygeal; Sanitary Corps; scalenus [muscle]; scapula; Schwann cell; scia... |
| SD | Sandhoff disease; senile dementia; septal defect; serologically defined; serologically detectable; s... |
| SED | sedimentation rate; skin erythema dose; spondyloepiphyseal dysplasia; standard error of deviation; s... |
| SEE | standard error of estimate |