macrocytosisn.
/ˌmakrə(ʊ)sʌɪˈtəʊsɪs/, U.S. /ˈˌmækroʊˌsaɪˈtoʊsɪs/ Medicine.
The presence of an abnormally large number of macrocytes in the blood.
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the world > health and disease > ill health > a disease > disorders of internal organs > disorders of blood > [noun] > disorders of red cells
microcythaemia1876
microcytosis1885
haemolysis1890
macrocytosis1893
macrocythaemia1894
anisocytosis1903
sickling1923
hyperchromasia1929
hypochromasia1929
hyperchromia1931
hypochromia1931
spherocytosis1933
protoporphyria1956
1893 R. J. Dunglison Dunglison's Dict. Med. Sci. (ed. 21) 656/2 Macrocytosis, condition in which the red corpuscles are increased in size, becoming macrocytes.
1962 Lancet 12 May 1004/2 Clinical and hæmatological examinations..showed anæmia with..macrocytosis, and reticulocytosis.
1994 Digestive Dis. & Sci. 39 1640/1 Nine of 56 patients..developed macrocytosis during the course of their therapy.
This entry has been updated (OED Third Edition, March 2000; most recently modified version published online March 2022).
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n.1893