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sigmoid colon

   Also found in: Dictionary/thesaurus, Legal, Encyclopedia, Wikipedia 0.01 sec.
colon /co·lon/ (ko´lon) [L.] the part of the large intestine extending from the cecum to the rectum.
ascending colon  the portion of the colon passing cephalad from the cecum to the right colic flexure.
congenital pouch colon  a congenital malformation in which part or all of it is replaced by a dilated pouch and there is anorectal malformation with a fistula between the colon and the genitourinary tract.
descending colon  the portion of the colon passing caudad from the left colic flexure to the sigmoid colon.
iliac colon  the part of the descending colon lying in the left iliac fossa and continuous with the sigmoid colon.
irritable colon  irritable bowel syndrome.
left colon  the distal portion of the large intestine, developed embryonically from the hindgut and functioning in the storage and elimination from the body of nonabsorbed residue of ingested material.
pelvic colon  sigmoid c.
right colon  the proximal portion of the large intestine, developed embryonically from the terminal portion of the midgut and functioning in absorption of ingested material.
sigmoid colon  that portion of the left colon situated in the pelvis and extending from the descending colon to the rectum.
spastic colon  irritable bowel syndrome.
transverse colon  the portion of the large intestine passing transversely across the upper part of the abdomen, between the right and left colic flexures.

sigmoid colon

Sigmoid colon
The final portion of the large intestine that empties into the rectum.

sigmoid colon,
the part of the colon that extends from the one descending colon in the pelvis to the juncture of the rectum. Also called sigmoid flexure.

sigmoid
shaped like the letter C or S.

sigmoid colon
the distal part of the colon of some species, such as humans, shaped like an S, from the level of the iliac crest to the rectum.
sigmoid curve
an S-shaped curve of the relationship between two variables.
sigmoid flexure of the penis
situated in the bull's penis dorsal and caudal to the scrotal neck.


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The colon is the large intestine, which includes the sigmoid colon, spastic colon and transverse colon.
In black South Africans the descending colon is predominantly affected, whereas the sigmoid colon is invariably involved in Western countries and right-sided diverticulosis is more prevalent in Asian populations.
The study was limited to carcinoma of the rectum/rectosigmoid, and analysis was also made of sigmoid colon, descending colon and colon excluding the rectum'.
 
 
 
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