Term Name:	response to pain
Synonyms:	physiological response to pain
Definition:	Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a pain stimulus. Pain stimuli cause activation of nociceptors, peripheral receptors for pain, include receptors which are sensitive to painful mechanical stimuli, extreme heat or cold, and chemical stimuli.
Ontology:	GO: Biological Process [GO:0048265]    QuickGO    AmiGO