SIGMOID

Pronunciation (US):

(GB):

 Dictionary entry overview: What does sigmoid mean? 

• SIGMOID (adjective)
  The adjective SIGMOID has 2 senses:

1. curved in two directions (like the letter S)

2. of or relating to the sigmoid flexure in the large intestine

  Familiarity information: SIGMOID used as an adjective is rare.

 Dictionary entry details 

• SIGMOID (adjective)

Sense 1

Meaning:

Curved in two directions (like the letter S)

Classified under:

Relational adjectives (pertainyms)

Pertainym:

curve (the trace of a point whose direction of motion changes)

Sense 2

Meaning:

Of or relating to the sigmoid flexure in the large intestine

Classified under:

Relational adjectives (pertainyms)

Synonyms:

sigmoid; sigmoidal

Pertainym:

sigmoid flexure (the s-shaped curve between the descending colon and the rectum)

 Context examples 

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

(Left Colon, NCI Thesaurus)

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)

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

(Colon Serrated Polyposis, NCI Thesaurus)

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

(Flexible Fiberoptic Sigmoidoscopy, NCI Thesaurus)

A continuation of the sigmoid sinus of the dura mater; joins the subclavian vein to form the brachiocephalic vein.

(Internal Jugular Vein, NCI Thesaurus)

Either of three branches (colica sinistra, sigmoid artery, or superior hemorrhoidal artery) arising from the inferior mesenteric artery.

(Inferior Mesenteric Artery Branch, NCI Thesaurus)