Anisocytosis
Historical document, translated for reference. It reflects medical knowledge of the 1920s–30s and is not medical advice.
Summary
Anisocytosis refers to the presence of red blood cells of unequal size in the blood, including abnormally small cells (microcytes) or larger ones (macrocytes). According to this 1930s encyclopedia article, anisocytosis occurs exclusively in anemias, both hypochromic and hyperchromic, serving as an indicator of mild anemical blood degeneration.
Encyclopedia entry (1928–1936)
ANISOCYTOSIS (from Greek anisos - unequal, and kytos - cell), the appearance in the blood of erythrocytes of varying size, either significantly smaller than normocytes (microcytes) or larger (macrocytes). Anisocytosis is encountered only in anemias, both hypochromic (chlorosis, posthemorrhagic anemias) and hyperchromic (pernicious anemia, etc.). Anisocytosis indicates a mild anemic degeneration of the blood.
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“Anisocytosis.” Soviet Medical Encyclopedia. English translation of Bolshaya Meditsinskaya Entsiklopediya, 1st ed. (Moscow, 1928–1936), ed. N. A. Semashko. https://sovietmedicalencyclopedia.pages.dev/article/anisocytosis/