response to stress cellular response to stress https://github.com/geneontology/go-ontology/issues/26810 Reactome:R-HSA-2262752 GO:0033554 Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a stimulus indicating the organism is under stress. The stress is usually, but not necessarily, exogenous (e.g. temperature, humidity, ionizing radiation). cellular response to stimulus