- idiolysin
- A lysin that occurs naturally in the blood of a person or an animal, without the injection of a stimulating antigen or the passive transfer of antibody.
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id·i·ol·y·sin (id″e-olґə-sin) [idio- + lysin] a lysin, normally present in the blood and not produced by artificial means, that lyses the cells of the animal in which it is formed.
Medical dictionary. 2011.