Specific antibody that combines with bacterial cells (i.e., antigen) and, in the presence of complement, causes lysis or dissolution of the cells. ... (05 Mar 2000) ... 
(bak-tēr″e-ol´ĭ-sin) an antibody that lyses bacterial cells.
Type: Term Pronunciation: bak-tēr′ē-ol′i-sin Definitions: 1. Specific antibody that combines with bacterial cells (antigen) and, in the presence of complement, causes lysis or dissolution of the cells.