Source:http://linkedlifedata.com/resource/umls/id/C1516374
GO: 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). [GOC:mah],NCI: Cellular or subcellular processes involved in restoration of a homeostatic condition.