These two terms are related by the Greek root term [-gnos-] which means "knowledge". The first word [diagnosis] has the prefix [dia-] meaning "apart" or "to take apart". [Diagnosis] then means "to discern", or in a more detailed explanation, it is "knowledge by taking apart", identifying a pathology by looking at all its components. The second word [prognosis] has the prefix [pro-] meaning "forward". Prognosis is then "forward knowledge", an statement of outcome of the course of a pathology. Words suggested by: Sara Mueller |
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