Sigmoid-colon definition

An S-shaped section of the colon between the descending section and the rectum.
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An S-shaped section of the colon between the descending section and the rectum.
noun
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(anatomy) The S-shaped section of the large intestine between the descending colon and the rectum.
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Other Word Forms

Noun

Singular:
sigmoid-colon
Plural:
sigmoid-colons