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The cecum or caecum is a pouch within the peritoneum that is considered to be the beginning of the large intestine. [1] It is typically located on the right side of the body (the same side of the body as the appendix, to which it is joined). The word cecum (/ ˈ s iː k əm /, plural ceca / ˈ s iː k ə /) stems from the Latin caecus meaning ...
Neutropenic enterocolitis, also known as typhlitis, is an inflammation of the cecum (part of the large intestine) that may be associated with infection. [1] It is particularly associated with neutropenia, a low level of neutrophil granulocytes (the most common form of white blood cells) in the blood. Typhlitis is a kind of neutropenic ...
A thickening of the muscularis mucosa, [citation needed] which is the smooth muscle tissue found beneath the mucosal layer of the digestive tract. A thickening of the muscularis externa is also noted. [1] There is also a variable amount of lymphatic tissue found at the valve. [3] The ileocecal valve has a papillose structure.
H. meleagridis is released in the cecum where the eggs of the nematode undergo larval development. The parasite migrates to the mucosa and submucosa where they cause extensive and severe necrosis of the tissue. Necrosis is initiated by inflammation and gradual ulceration, causing thickening of the cecal wall.
Invasion of tumours through the layers of the gastrointestinal wall is used in staging of tumour spread. This affects treatment and prognosis. The normal thickness of the small intestinal wall is 3–5 mm, [6] and 1–5 mm in the large intestine. [7] Focal, irregular and asymmetrical gastrointestinal wall thickening suggests a malignancy. [7]
Heterakis gallinarum is a nematode parasite that lives in the cecum of some galliform birds, particularly in ground feeders such as domestic chickens and turkeys. It causes infection that is mildly pathogenic. However, it often carries a protozoan parasite Histomonas meleagridis which causes of histomoniasis (blackhead disease).
In cecal bascule, the base of the cecum folds anteriorly over the ascending colon, creating a flap-valve, obstructing emptying of the cecum. [1] The condition can be complicated by necrosis or organ perforation before the diagnosis is made, particularly if the ileocecal valve is competent, preventing retrograde decompression of the cecum into ...
However, severe infections can result in severe diarrhea, anorexia, recumbency, dehydration, and weight loss. Adult whipworms primarily inhabit and feed on the mucosa of the cecum, which causes a thickening of the cecal wall. This prevents liquids from being absorbed, thus explaining the diarrhea.