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Sigmoid colon

Medical term · S

Section of the colon leading to the rectum that makes an S-shaped curve.

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Related terms

Rectum

The part of the large intestine which stores solid waste until it leaves the body through the anus.
Colon

The large intestine; a muscular tube that is 5 to 6 feet long. It compacts and moves solid waste.
Sigmoidoscopy

Internal examination of the rectum and sigmoid colon using a flexible viewing tube inserted through the anus.

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