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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… 

Enteroscopy: definition

An examination of the small intestine with an endoscope. The endoscope is inserted through the mouth and stomach into the small intestine.

Enzyme: definition

A substance (usually a protein) that speeds up, or catalyzes, a chemical reaction without being permanently altered or consumed. Enzymes carry out the thousands of chemical reactions that go on in a cell. Enzymes help…