acute inflammation
Response of vertebrate body to insult or infection; characterized by redness (rubor), heat (calor), swelling (tumor), pain (dolor), and sometimes loss of function. Changes occur in local blood flow, and leucocytes (particularly neutrophils) adhere to the walls of postcapillary venules (margination) and then move through the endothelium (diapedesis) towards the damaged tissue. Although usually acute inflammation is short-term there are situations in which acute-type inflammation persists.

Dictionary of molecular biology. 2004.

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