a person with special skills, obtained through education and experience, in one or more areas of health care. A person who provides therapy. See Enterostomal therapist, Licensed Massage therapist, Psychotherapist, Physical therapist.
Gallstones are pieces of solid material that form in the gallbladder. These stones develop because cholesterol and pigments in bile sometimes form hard particles. The two main types of gallstones are: 1  Cholesterol stones: Usually yellow-green in color, approximately 80% of gallstones are cholesterol stones.
Most gallstones are formed from cholesterol found in the gallbladderâs bile. Another type of gallstone, a pigment stone, is formed from calcium bilirubinate. Calcium bilirubinate is a chemical thatâs produced when your body breaks down red blood cells. This type of stone is more rare.