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Electrolytes: definition

Chemicals in the body fluids that are parts of salts, including sodium, potassium, magnesium, and chloride. For example, sodium and chloride form sodium chloride, a common salt found in sweat. Chloride has important functions in… 

Elisa: definition

abbreviation for enzyme-linked immunosorbent assay which is a type of blood test usually used to measure antibodies.

Endoscope: definition

A small, flexible tube with a light and a camera on the end that is used to look into the esophagus, stomach, duodenum, colon, or rectum. It can also be used to take tissue from… 

Endoscopy: definition

A procedure to inspect the hollow organs of upper digestive tract by use of an endoscope. An endoscope is a medical device consisting of a long, thin tube and an optical device. Observable organs include… 

Enteral Nutrition: definition

A way to provide food through a tube placed in the nose, stomach, or small intestine. A tube in the nose is called a nasogastric or nasoenteral tube. A tube may be placed into the…