The crossword solution for the term 'GALL BLADDER NEIGHBOR' is 'LIVER'. The LIVER is an organ located in the upper right quadrant of the abdomen and is the largest gland in the body. It plays a major role in metabolism, digestion, and detoxification. It also produces bile, which helps to break down fats in the small intestine. The gall bladder is located just below the LIVER and stores bile produced by the LIVER. Therefore, the LIVER is the neighbor of the gall bladder.