Home / Tag Archives: Glossary (page 30)

Tag Archives: Glossary

Hydrogen Breath Test: definition

A test for lactose intolerance that measures breath samples for hydrogen levels. The body makes too much hydrogen when lactose is not broken down properly in the small intestine.

Read More »

Hydrogen: definition

An odorless, colorless, flammable gas that combines chemically to form water.

Read More »

Hydrochloric Acid: definition

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

Read More »

Humoral Immunity: definition

A term that refers to antibody production. The aspect of immunity that is mediated by secreted antibodies that are produced by B cells. Secreted antibodies bind to antigens, flagging them for destruction.

Read More »

Human Leukocyte Antigen (HLA): definition

A distinguishing series of proteins that exist on the surface of every white blood cell to help the cell discriminate between

Read More »

Hormone: definition

A natural chemical produced in one part of the body and released into the blood to trigger or regulate particular functions of the body. The digestive system makes a large number of different hormones.

Read More »

Histopathology: definition

The study of diseased microscopic structure.

Read More »

Histology: definition

The study of The microscopic structure of tissue.

Read More »

Hirschsprung Disease: definition

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.

Read More »

Hiatal Hernia: definition

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.

Read More »

Herniorrhaphy

An operation to repair a hernia.

Read More »

Hernia: definition

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

Read More »

Hepatotoxicity: definition

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

Read More »

Hepatology: definition

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

Read More »

Hepatologist: definition

A doctor who specializes in liver diseases.

Read More »
>