The ground substance of the living cell.
D000818:Animals; D003593:Cytoplasm / Q000502:physiology / Q000648:ultrastructure*; D003594:Cytoplasmic Granules / Q000502:physiology; D004058:Diffusion; D008854:Microscopy, Electron / Q000295:instrumentation*; D008870:Microtubules / Q000502:physiology / Q000648:ultrastructure; D009068:Movement; D009940:Organoids / Q000648:ultrastructure