Sigmoid colon
Section of the large intestine closest to the rectum and anus / From Wikipedia, the free encyclopedia
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The sigmoid colon (or pelvic colon) is the part of the large intestine that is closest to the rectum and anus. It forms a loop that averages about 35–40 centimetres (14–16 in) in length. The loop is typically shaped like a Greek letter sigma (ς) or Latin letter S (thus sigma + -oid). This part of the colon normally lies within the pelvis, but due to its freedom of movement it is liable to be displaced into the abdominal cavity.[2]
Quick Facts Details, Precursor ...
Sigmoid colon | |
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Details | |
Precursor | Hindgut |
Part of | Large intestine |
System | Digestive system |
Artery | Sigmoid branches of inferior mesenteric artery, sigmoid arteries, internal iliac artery |
Nerve | Inferior mesenteric ganglia and sacral nerve[1] |
Identifiers | |
Latin | colon sigmoideum |
MeSH | D012809 |
TA98 | A05.7.03.007 |
TA2 | 2987 |
FMA | 14548 |
Anatomical terminology |
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