found: American heritage dict.(irritation (pathology): a condition of inflammation, soreness, or irritability of a bodily organ or part)
found: Dorland's med. dict.(irritation: a state of overexcitation and undue sensitivity; functional irritation: that which is attended with functional derangement without organic lesion, also overexcitability due to excessive functional activity)
found: Inter. dict. med. biol.(irritation: the incipient inflammatory response of a tissue to a noxious stimulus; functional irritation: irritation associated with abnormal function of the affected organ or part)
