Manyచరిత్రలో physiciansచాలా inమంది historyవైద్యులు haveరోగుల resortedమూత్రాన్ని toపరీక్షించి theరోగ inspectionనిర్ధారణ andచేశారు. examinationహెర్మోజెనిస్ of the urine of their patients. [[(Hermogenes]]) wroteముత్రం aboutయొక్క theరంగు colorమరియు andఇతర otherలక్షణాల attributesఆధారంగా ofకొన్ని urineవ్యాధుల్ని asగుర్తించినట్లుగా indicatorsరాశాడు. of certain diseases. [[Abdul Malik Ibn Habib]] of [[Andalusia]] d.862CE, mentions numerous reports of urine examination throughout the [[Umayyad]] empire.<ref>Ibn Habib, Abdul Malik d.862CE/283AH "Kitaab Tib Al'Arab" (The Book of Arabian Medicine), Published by Dar Ibn Hazm, Beirut, Lebanon 2007(Arabic)</ref> [[Diabetes mellitus]] got its name because the urine is plentiful and sweet. A [[urinalysis]] is a medical examination of the urine and part of routine examinations. A culture of the urine is performed when a [[urinary tract infection]] is suspected. A microscopic examination of the urine may be helpful to identify organic or inorganic substrates and help in the diagnosis.
The color and volume of urine can be reliable indicators of [[rehydration|hydration]] level. '''Clear and copious''' urine is generally a sign of adequate hydration, dark urine is a sign of [[dehydration]]. The exception is when [[alcohol]], [[caffeine]], or other [[diuretics]] are consumed, in which case urine can be clear and copious and the person still be dehydrated.
