leukocyte adherence test

leukocyte adherence test

Immunology A test for cell-mediated antitumor immunity and related serum blocking factors Principle WBCs from a CA, when mixed in vitro with antigenic extracts of tumors of the same histologic type, become less adherent than normal to glass surfaces; serum from a Pt with an identical tumor blocks the reaction of her own WBCs. See Cell-mediated immunity.