Amyloidosis Amyloid refers to various fibrous, extracellular, proteinaceous deposits. Amyloidosis is the abnormal buildup of amyloid in various tissues of the body. Types of amyloidosis include: AA amyloidosis Hereditary amyloidosis (familial amyloidosis) Wild-type amyloidosis Localized amyloidosis AL amyloid (immunoglobulin light…