副ふく器き官かんMeanings1nounaccessory organanatomyAnatomical term for an organ that assists the function of another related organ, such as glands or ducts.肝かん臓ぞうの副ふく器き官かんとして胆たん嚢のうが挙あげられる。The gallbladder is cited as an accessory organ of the liver.