Term: macrophage lysosomal lumen acidification
Name: macrophage
Synonyms: histiocyte
Definition: A mononuclear phagocyte present in variety of tissues, typically differentiated from monocytes, capable of phagocytosing a variety of extracellular particulate material, including immune complexes, microorganisms, and dead cells.
Ontology: Anatomy Ontology [ZFA:0009141]

Name: lysosomal lumen acidification
Synonyms: lysosome pH reduction
Definition: Any process that reduces the pH of the lysosomal lumen, corresponding to an increase in hydrogen ion concentration.
Ontology: GO: Biological Process [GO:0007042]    QuickGO    AmiGO