U+7618 "瘘" CJK Unified Ideograph-# Unicode Character

U+7618 "瘘" CJK Unified Ideograph-# is a Chinese character used in both traditional and simplified writing systems, primarily meaning "fistula," a medical term describing an abnormal passage or connection between two organs or between an organ and the skin. It is composed of the radical 疒 (illness or sickness) on the left, indicating its association with disease, and the phonetic component 娄 on the right. This character appears in medical contexts, especially in diagnoses such as 痔瘘 (anal fistula) or 肠瘘 (intestinal fistula), and is an essential part of specialized vocabulary in Chinese healthcare literature.