noun
infantile beriberi
Medical term for thiamine (vitamin B1) deficiency in infants, historically seen in breastfed infants of thiamine-deficient mothers.
乳児脚気は、母乳栄養児にまれに見られるビタミンB1欠乏症です。
Infantile beriberi is a vitamin B1 deficiency rarely seen in breastfed infants.
脚気 is the general term for beriberi in adults, while 乳児脚気 specifically refers to the infantile form.
Compound of 乳児 (infant) and 脚気 (beriberi). The exact historical derivation is uncertain; the spelling is conventionally associated with the medical condition.