host cell endosome host cell late endosome 2009-10-15T02:58:34Z GO:0044184 cellular_component A prelysosomal endocytic organelle differentiated from host early endosomes by lower lumenal pH and different protein composition. Host late endosomes are more spherical than early endosomes and are mostly juxtanuclear, being concentrated near the microtubule organizing center. jl