U+75C9 "痉" CJK Unified Ideograph-# Unicode Character

U+75C9 "痉" CJK Unified Ideograph-# is a Chinese character that primarily refers to a medical condition, specifically meaning "convulsion" or "spasm," often seen in terms like "痉挛" (jìngluán) for cramp or muscle spasm. It belongs to the radical for illness (疒) and the phonetic component "巠" (jīng), and it is used in both traditional and simplified Chinese writing systems. In classical texts, it can denote a disease involving involuntary muscle contractions, and in modern usage, it remains a common term in medical contexts to describe conditions such as tetany or tonic-clonic seizures.