| 释义 |
sigmoid colon
noun[ Cusually singular ]
anatomy specializeduk /ˌsɪɡ.mɔɪd ˈkəʊ.lɒn/ us /ˌsɪɡ.mɔɪd ˈkoʊ.lən/
an S-shaped part at the end of the large intestine that connects the colon to the rectum and stores solid waste before it leaves the body:
An ulcer was found in the sigmoid colon, on colonoscopy.
As food moves through the ascending colon, fluids are removed, so that contents become increasingly more solid until they reach the sigmoid colon.
The sigmoid colon is characterized by its circular folds.
The rectum extends for about 8 inches from the sigmoid colon to the anus.
In some cases, enemas may be given a couple of hours before the test to clean out the sigmoid colon.
SMART Vocabulary: related words and phrases
The digestive system
brush border
caecal
cardia
chyme
coeliac
digestive tract
intestinal
intestine
intraluminal
jejunal
jejunum
lacteal
large intestine
rectum
small intestine
unassimilable
ureteral
vermiform appendix
vermiform process
villous
Synonym
sigmoid
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