| M3 | absolute dullness; myelocyte at the 3rd stage of maturation |
|---|---|
| m3 | cubic meter |
| M3G | morphine-3-glucuronide |
| M4 | myelocyte at the 4th stage of maturation |
| M5 | metamyelocyte |
| M6 | band form in the 6th stage of myelocyte maturation |
| M7 | polymorphonuclear neutrophil |
| m7G | 7-methylguanosine |
| m8 | spin quantum number |
| MA | malignant arrhythmia; management and administration; mandelic acid; masseter; Master of Arts; maternal age; maximum amplitude; mean arterial; medical assistance; medical audit; medical authorization; mega-ampere; megaloblastic anemia; membrane antigen; menstrual age; mental age; mentum anterior [fetal position]; metatarsus adductus; meter-angle; methacrylic acid; microadenoma; microagglutination; microaneurysm; microscopic agglutination; Miller-Abbott [tube]; milliampere; mitochondrial antibody; mitogen activation; mitotic apparatus; mixed agglutination; moderately advanced; monoamine; monoclonal antibody; multiple action; mutagenic activity; myelinated axon |