![]() anomaly - an irregularity or deviation from normal an abnormal structure.angiogenesis - the formation of new blood vessels.pectoris, paroxysmal pain in the chest often radiating to the arms usually due to interference with the supply of oxygen to the heart muscle often precipitated by excitement or effort. angina - spasmodic, choking or suffocating pain. a.aneurysm - a ballooning out of the wall of a blood vessel or a heart chamber due to a weakening of the wall by disease or injury.anencephaly - markedly defective development of the brain, cerebral hemispheres absent or reduced to small masses, together with absence of the bones of the cranium.anastomosis - a connection between two blood vessels or tubes.anaplasia - loss of differentiation of cells and of their orientation to one another and to their framework and blood vessels.anaphylaxis - the immediate immunologic (allergic) reaction initiated by the combination ofantigen (allergen) with mast cell cytophilic antobody (chiefly IgE). anaphylactic (adj) - as in anaphylactic shock - life threatening respiratory distress, vascular collapse and shock manifesting extremely great sensitivity to foreign protein or other material.analgesia ( analgesic) - the absence of pain removing pain.The associated disease states may be inflammatory, hereditary or neoplastic and the deposition may be local or generalized or systemic. amyloidosis - a group of conditions of diverse etiologies characterized by the accumulation of insoluble fibrillar proteins (amyloid) in various organs and tissues of the body - eventually organ function is compromised.amyloid light chain (AL) - a component of immunoglobulin, occurs in mulitple myeloma amyloid associated protein (AA) - derived from liver protein, occurs in reactive systemic amyloidosis amyloid familial (AF) - abnormal transthyretin. There are several precursor proteins which are then deposited in the tissue as amyloid e.g. ![]() Each fibril is composed of identical polypeptide chains arranged in stacked antiparallel beta-pleated sheets (this is what impar ts the characteristic birefringence under polarized light).
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