The plural form of anaemia; multiple instances or types of blood conditions characterized by insufficient red blood cells or hemoglobin.
From Greek ana- (without) + haima (blood) + -s (plural). The plural form allows medical professionals to discuss various types and cases of blood deficiency.
Doctors talk about 'anaemias' (plural) because there are tons of different types—iron deficiency anaemia, sickle cell anaemia, pernicious anaemia—each caused by different problems but all with the same result: not enough good red blood cells!
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