A virus that occurs mostly in people who share needles with infected people. Only people who have hepatitis B can get hepatitis D.

The field of medicine focusing on the functions and disorders of the liver.

Refers to damage a medicine or other substance does to the liver.

The part of an internal organ that pushes through an opening in the organ

An operation to repair a hernia.

An opening in the diaphragm that allows the upper part of the stomach to move up into the chest. It may cause heartburn from stomach acid flowing back up through the opening.

A birth defect in which some nerve cells are lacking in the large intestine, causing the intestine not to move stool and become blocked. It causes the abdomen to swell. See megacolon.

The study of The microscopic structure of tissue.

The study of diseased microscopic structure.

An acid made in the stomach that works with pepsin and other enzymes to break down proteins.