单词 | polycythaemia |
释义 | polycythaemia/ˌpɒlɪsʌɪˈθiːmɪə /(US polycythemia) noun [mass noun] Medicine An abnormally increased concentration of haemoglobin in the blood, either through reduction of plasma volume or increase in red cell numbers. It may be a primary disease of unknown cause, or a secondary condition linked to respiratory or circulatory disorder or cancer.The differential diagnoses included chronic hepatitis, idiopathic urticaria, uremia, polycythemia, thyroid disease, and malignancy, among others....
OriginMid 19th century: modern Latin, from poly- 'many' + -cyte 'cell' + haemo- 'blood' + -ia1. |
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