[morphologically heterogeneous cytoplasmic particles characterized by their content of hydrolytic enzymes and the structure-linked latency of these enzymes, normally involved in the process of localized intracellular digestion; the activity of the enzymes contained in lysosomes is limited or nil unless the vesicle in which they are enclosed is ruptured. ( CSP )]
UMLS (NCI) C0024369 Relation/PAR: organelle