
1) Colon
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https://www.crosswordclues.com/clue/megacolon

Megacolon is an abnormal dilation of the colon (a part of the large intestine). The dilation is often accompanied by a paralysis of the peristaltic movements of the bowel. In more extreme cases, the feces consolidate into hard masses inside the colon, called fecalomas (literally, fecal tumor), which can require surgery to be removed. A human colon...
Found on
http://en.wikipedia.org/wiki/Megacolon

an abnormally large or dilated colon; the condition may be congenital or acquired, acute or chronic.
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http://users.ugent.be/~rvdstich/eugloss/DIC/dictio53.html

massive enlargement and dilation of the large intestine (colon). The two main types of the syndrome are congenital megacolon, or Hirschsprung ...
Found on
http://www.britannica.com/eb/a-z/m/64

An abnormally large or dilated colon, the condition may be congenital or acquired, acute or chronic. ... (18 Nov 1997) ...
Found on
http://www.encyclo.co.uk/local/20973

(meg″ә-ko´lәn) dilatation and hypertrophy of the colon. acquired megacolon any type associated with chronic constipation but normal innervation of intestinal ganglion cells. acute megacolon toxic megacolon. aganglionic megac...
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http://www.encyclo.co.uk/local/21001

Flabby, distended colon caused by chronic Chagas' disease.
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http://www.encyclo.co.uk/visitor-contributions.php

Type: Term Pronunciation: meg′ă-kō′lon Definitions: 1. A condition of extreme dilation of the colon. Synonyms: giant colon
Found on
http://www.medilexicon.com/medicaldictionary.php?t=53573

Megacolon: An abnormally enlarged colon.
Found on
http://www.medterms.com/script/main/art.asp?articlekey=4332

[
n] - an abnormal enlargement of the colon
Found on
http://www.webdictionary.co.uk/definition.php?query=megacolon

a severely swollen large intestine, causing severe constipation and abdominal bloating; may be present at birth or develops later
Found on
https://www.encyclo.co.uk/local/20875
noun an abnormal enlargement of the colon; can be congenital (as in Hirschsprung`s disease) or acquired (as when children refuse to defecate)
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https://www.encyclo.co.uk/local/20974

Severe constipation resulting in the colon getting huge and swollen.
Found on
https://www.encyclo.co.uk/local/22233
No exact match found.