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Tag Archives: Glossary.

Achalasia: definition

A rare disorder of the esophagus making it difficult to swallow food because the muscle at the end of the esophagus does not relax enough for the passage to open.

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Absorption: definition

The way nutrients are taken into the body by the digestive system.

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Abdomen or Belly: definition

The area of the body between the chest and the hips containing the stomach, small intestine, large intestine, liver, gallbladder, pancreas, and spleen.

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