The scientific study of blood and blood-producing organs.(noun)
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Use "haematology" in a sentence
"Bertha Ungar enabled me to pass the college exams in haematology and microbiology."
"The blood group diet, as undergone by Cheryl Cole, where one gnaws on different foodstuffs according to one's group, may not involve much actual haematology: you don't say!"
"As well as the medical note already mentioned, the rider also presented statements from haematology specialists who confirmed their confidence in the normality of this clinical data."