gall bladder

https://doi.org/10.1351/goldbook.10744

Pear-shaped muscular sac underneath the liver that stores bile secreted by the liver before its release into the duodenum.

Source:
PAC, 2016, 88, 713. (Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)) on page 758 [Terms] [Paper]