noun
pernicious anemia
Medical term for a type of anemia caused by vitamin B12 deficiency.
悪性貧血はビタミンB12の不足で起こります。
Pernicious anemia occurs due to a lack of vitamin B12.
貧血 is the general term for anemia, while 悪性貧血 specifically refers to pernicious anemia.
Compound of 悪性 (akusei, 'malignant') and 貧血 (hinketsu, 'anemia'). The term is a direct translation of the English medical term 'pernicious anemia'.