"උණ" හි සංශෝධන අතර වෙනස්කම්

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[[ගොනුව:Clinical thermometer 38.7.JPG|thumb|right|An analogue medical thermometer showing the temperature of 38.7 °C]]
 
'''උණ''' is a frequent [[medicineවෛද්‍ය විද්‍යාව|medicalවෛද්‍ය විද්‍යාත්මක]] [[symptom]] that describes an increase in internal [[body temperature]] to levels that are above normal (37 °C, 98.6 °F). Fever is most accurately characterized as a temporary elevation in the body’s thermoregulatory set-point, which is usually by about 1-2 °C. Fever differs from [[hyperthermia]], which is an increase in body temperature over the body’s thermoregulatory set-point (due to excessive heat production or insufficient [[thermoregulation]], or both).
 
The elevation in thermoregulatory set-point means that the previous "normal body temperature" is considered [[hypothermia|hypothermic]], and effector mechanisms kick in. The person who is developing the fever has a cold sensation, and an increase in [[heart rate]], [[muscle tone]] and [[shivering]] attempt to counteract the perceived hypothermia, thereby reaching the new thermoregulatory set-point.
"https://si.wikipedia.org/wiki/උණ" වෙතින් සම්ප්‍රවේශනය කෙරිණි