The gallbladder concentrates and stores bile as a pear-shaped sac which it can release to help digestion after a fatty meal.
Phosphatidylcholine is a class of phospholipids that find use in the development and repair of biological membranes. It also plays a role in membrane-mediated cell signaling. Phosphatidylcholine is a major component of lecithin. Phosphatidylcholine could hold promise as an alternative treatment to liposuction for fat removal.