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.
Gallstones form from cholesterol and bilirubin, a waste product, both of which are found in bile, a liquid that helps the body digest fats. Bile is made in the liver and stored in the gall bladder until needed. Excess cholesterol and bilirubin can harden into gallstones.