Rickets occurs due to vitamin D deficiency.
In the past, rickets was common in Japan as well.
Osteomalacia, the adult equivalent of rickets; both involve softening of bones due to vitamin D deficiency.
Standard mixed kanji-kana spelling for rickets.
Katakana variant of the first part; less common but seen in medical contexts.
Rarely used kanji form; the first two characters are uncommon.
Rarely used kanji form; the first two characters are uncommon.
The term くる (kuru) is of uncertain origin, possibly from a mimetic word describing a bent or crooked state. The kanji 佝僂 and 痀瘻 are ateji assigned later for their meanings related to hunchback or rickets.