| Abbreviation | Definition |
|---|---|
| SMI | Sensory Motor Integration |
| SMI | Seriously Mentally Ill |
| SMILE | Self Motivation In Lasting Endorphins |
| SMILE | Subjective Multidimensional Interactive Laughter Evaluation |
| SMJ | Saudi Medical Journal |
| SMJ | Scottish Medical Journal |
| SMJ | Southern Medical Journal |
| SMLC | Smooth Muscle-Like Cell |
| SMN | Spinal Motor Neuron |
| SMN | Survival Motor Neuron |
| SMO | Sociedad Mexicana de Ortopedia |
| SMR | Sensory Motor Rhythm |
| SMR | Submucous Resection |
| SMR | Suppressed Mite Reproduction |
| SMS | Smith Magenis Syndrome |
| SMTP | She Makes Transferable Protein |
| SMTT | Spinal Manipulative Thrust Technique |
| SMUA | Spinal Manipulation Under Anesthesia |
| SMV | Superior Mesenteric Vein |
| SMV | Superior Mesentric Vein |