autoagglutination

[ô′tō-ə-glōōt′n-āshən]

n.

The nonspecific agglutination or clumping together of cells (bacteria or erythrocytes, for example) as the result of physical-chemical factors.
The agglutination of a person's red blood cells in his or her own serum as a consequence of a specific autoantibody.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.