MSA

• magnetic resonance angiography;

• major serologic antigen;

• major soluble antigen;

• male-specific antigen;

• mammary serum antigen;

• mannitol salt agar;

• medical savings account;

• Medical Services Administration;

• membrane stabilizing action;

• membrane-stabilizing activity;

• metropolitan statistical area;

• microsomal antiantibody;

• mitotic spindle apparatus;

• molecular shape analysis;

• morphological sequential approach;

• mouse serum albumin;

• multiple sequence alignment [proteins];

• multiple system atrophy;

• muscle sympathetic activity;

• myosisspecific antibody