sigmoid

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sigmoid

 [sig´moid]
1. shaped like the letter C or S.
2. the sigmoid colon, the distal part of the colon from the level of the iliac crest to the rectum.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

sig·moid

(sig'moyd),
Resembling in outline the letter S or one of the forms of the Greek sigma.
[G. sigma, the letter S, + eidos, resemblance]
Farlex Partner Medical Dictionary © Farlex 2012

sigmoid

(sĭg′moid′) also

sigmoidal

(sĭg-moid′l)
adj.
1. Having the shape of the letter S.
2. Of or relating to the sigmoid colon.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

sig·moid

(sig'moyd)
Resembling in outline the letter S or one of the forms of the Greek character, sigma.
[G. sigma, the letter S, + eidos, resemblance]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

sigmoid

or

sigmoidal

S-shaped.
2. Pertaining to the SIGMOID COLON.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005

sigmoid

S-shaped.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005

Sigmoid

The S-shaped curve of the large intestine where the colon joins the rectum.
Mentioned in: Intestinal Polyps
Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. All rights reserved.

sig·moid

(sig'moyd)
Resembling in outline the letter S or one of the forms of the Greek sigma σ or ς.
[G. sigma, the letter S, + eidos, resemblance]
Medical Dictionary for the Dental Professions © Farlex 2012