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Macrophage activation syndrome, a potentially life-threatening complication of several chronic rheumatic diseases of childhood • The
G protein-coupled receptor Mas, a critical part of the renin–angiotensin–aldosterone system (RAAS), encoded by the proto-oncogene MAS1 •
Mandibular advancement splint, a device used to treat sleep apnea •
Marker assisted selection, a genome-tagging technique •
Meconium aspiration syndrome, neonatal aspiration of meconium •
McCune–Albright syndrome, a genetic disorder which results in precocious puberty •
Mixed amphetamine salts, an abridged generic name for Adderall, a stimulant drug ==Metrics==