| MPA | mean pulmonary arterial [pressure]; medial preoptic area; Medical Procurement Agency; medroxyprogest... |
|---|---|
| MPOA | medial preoptic area |
| MSA | major serologic antigen; male-specific antigen; mannitol salt agar; Medical Services Administration;... |
| MTAC | mass transfer area coefficient |
| MVA | mechanical ventricular assistance; mevalonic acid; mitral valve area; motor vehicle accident |