蝸か牛ぎゅう管かんMeanings1nouncochlear ductanatomyAnatomical term for the cochlear duct, a fluid-filled cavity within the cochlea of the inner ear.蝸か牛ぎゅう管かんは内ない耳じの蝸か牛ぎゅう内ないにある膜まく迷めい路ろの一いち部ぶです。The cochlear duct is a part of the membranous labyrinth inside the cochlea of the inner ear.