Source:http://linkedlifedata.com/resource/umls/id/C2752487
GO: A specialized secretory lysosome that is present in cells with cytolytic capability such as cytotoxic T lymphocytes and natural killer cells. Cytolytic granules mediate the storage and regulated excretion of lytic molecules for killing of target cells. [GOC:jl, PMID:11052265, PMID:12766758]