| MSA | major serologic antigen; male-specific antigen; mannitol salt agar; Medical Services Administration; membrane stabilizing action; membrane-stabilizing activity; metropolitan statistical area; mouse serum albumin; multiple system atrophy; muscle sympathetic activity |
|---|---|
| MSAA | multiple sclerosis-associated agent |
| MSAFP | Maternal Serum Alpha(α)-Feto-Protein |
| MSAFP, MS-AFP | maternal serum alpha-fetoprotein |
| MSAN | medical student's admission note |
| MSAP | mean systemic arterial pressure |