: a rare genetic disorder in which the body is unable to absorb dietary fats and fat-soluble vitamins (such as vitamin A and E) because of an absence of apolipoprotein B-containing lipoproteins (such as chylomicrons and VLDLs) in the blood plasma Abetalipoproteinemia presents initially in the neonatal period with gastrointestinal manifestations ...
grievance procedure. Definition. A process instituted by a health plan or benefit provider for policyholders to file complaints.
2. grievance-an allegation that something imposes an illegal obligation or denies some legal right or causes injustice. allegation - (law) a formal accusation against somebody (often in a court of law); an allegation of malpractice.