Latin bilis, Ancient Greek χολή.

     Bile is a secret produced by the glandular cells of the liver. It contains enzymes, the hormone thyroxine. It helps to break down, emulsify, and absorb fats. Yellow, brown or greenish, very bitter-tasting, odoriferous liquid.

     The liver produces bile, which collects in the gallbladder and then pours into the digestive tract through the bile duct.