cecum
(noun)
A pouch, usually peritoneal, that is considered to be the beginning of the large intestine.
Examples of cecum in the following topics:
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Anatomy of the Large Intestine
- The large intestine consists of the cecum and colon.
- It starts in the right iliac region of the pelvis, just at or below the right waist, where it is joined to the bottom end of the small intestine (cecum).
- The appendix is attached to its inferior surface of the cecum.
- There are three bands, starting at the base of the appendix and extending from the cecum to the rectum.
- A schematicĀ of the large intestine, with the colon marked as follows: cecum; 1) ascending colon; 2) transverse colon; 3) descending colon; 4) sigmoid colon, rectum, and anus.
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Anatomy of the Digestive System
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Histology of the Large Intestine
- The large intestine consists of the cecum, colon, rectum, and anal canal.
- These three bands start at the base of the appendix and extend from the cecum to the rectum.
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Digestive System Development
- The midgut is the lower duodenum, leading to the first two-thirds of the transverse colon, jejunum, ileum, cecum, appendix, ascending colon, and first two-thirds of the transverse colon.
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Bacterial Flora
- The normal flora is also essential for the development of certain tissues, including the cecum and lymphatics.
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Appendicitis
- In case of a retrocecal appendix (appendix localized behind the cecum), however, even deep pressure in the right lower quadrant may fail to elicit tenderness (silent appendix), the reason being that the cecum, distended with gas, protects the inflamed appendix from the pressure.
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Abdominopelvic Regions
- In the right lower quadrant sits the cecum, appendix, part of the small intestines, the right half of the female reproductive system, and the right ureter.
- The right iliac region contains the appendix, cecum, and the right iliac fossa.
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Absorption and Feces Formation in the Large Intestine
- Intestinal flora are also essential in the development of certain tissues, including the cecum and lymphatics.
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Organs of the Digestive System
- Accessory organs like the cecum and appendix, which are remnants of our evolutionary past, serve as special pockets at the beginning of the large intestine.
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The Peritoneum
- Intraperitoneal organs include the stomach, the first five centimeters and the fourth part of the the duodenum, the jejunum, the ileum, the cecum, the appendix, the transverse colon, the sigmoid colon, and the upper third of the rectum.