内ない眼がん角かく贅ぜい皮ひないがんかくぜいひMeanings1nounepicanthic fold; epicanthal fold; epicanthusanatomy›Anatomical term for the skin fold of the upper eyelid covering the inner corner of the eye. Often referenced in medical or anthropological contexts. The common term is 蒙古ひだ (もうこひだ).See also: 蒙古ひだ内ない眼
