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Left shift (medicine) : ウィキペディア英語版 | Left shift (medicine)
Left shift or blood shift is an increase in the number of immature leukocytes in the peripheral blood, particularly neutrophil band cells. Less commonly, left shift may also refer to a similar phenomenon in severe erythroanemia, when reticulocytes and immature erythrocyte precursors appear in the peripheral circulation. ==Definition== The standard definition of a left shift is an absolute band form count greater than 700/microL.〔 〕 There are competing explanations for the origin of the phrase "left shift," including the left-most button arrangement of early cell sorting machines〔http://medicineoutofthebox.com/2010/10/26/the-meaning-of-a-shift-to-the-left/〕〔http://www.pathologystudent.com/?p=318〕 and a 1920s publication by Josef Arneth, containing a graph in which immature neutrophils, with fewer segments, shifted the median left.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Left shift (medicine)」の詳細全文を読む
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