SIGMOID COLON

Pronunciation (US):

(GB):

 Dictionary entry overview: What does sigmoid colon mean? 

• SIGMOID COLON (noun)
  The noun SIGMOID COLON has 1 sense:

1. the s-shaped curve between the descending colon and the rectum

  Familiarity information: SIGMOID COLON used as a noun is very rare.

 Dictionary entry details 

• SIGMOID COLON (noun)

Sense 1

Meaning:

The s-shaped curve between the descending colon and the rectum

Classified under:

Nouns denoting body parts

Synonyms:

sigmoid colon; sigmoid flexure

Hypernyms ("sigmoid colon" is a kind of...):

colon (the part of the large intestine between the cecum and the rectum; it extracts moisture from food residues before they are excreted)

Holonyms ("sigmoid colon" is a part of...):

large intestine (beginning with the cecum and ending with the rectum; includes the cecum and the colon and the rectum; extracts moisture from food residues which are later excreted as feces)

 Context examples 

The lower left zone of the abdomen containing parts of the small intestine, descending and sigmoid colon, and the left ovary and fallopian tube in females.

(Left Inguinal Region, NCI Thesaurus)

The portion of the large intestine that includes the descending and sigmoid colon.

(Left Colon, NCI Thesaurus)

Examination of the luminal surface of the sigmoid colon, using a flexible fiberoptic endoscope.

(Flexible Fiberoptic Sigmoidoscopy, NCI Thesaurus)

According to some authors, the polyps are proximal to the sigmoid colon.

(Colon Serrated Polyposis, NCI Thesaurus)