ab - Flashcards in All Levels Applied Art & Design

Created by: cam816
Created on: 31-05-23 12:50

We will be presenting to you the Lower GI Tract

– this includes the caecum, appendix, colon, and rectum.

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The lower gastrointestinal tract begins with the caecum, which receives digested food from the small intestine through the ileocecal valve.

The main role of the caecum is to absorb water and electrolytes, incorporate a lubricating mucus into the food, a

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- From the caecum, digested food is transported to the colon. Each section of the colon further absorbs water and electrolytes and houses gut microflora.

- The rectum stores faeces until defecation where it is excreted through the anus.

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The lower GI tract (when viewed coronally) can be described as resembling a square question mark shape, with the caecum, colon and rectum forming the stem.

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The lower GI tract (when viewed coronally) can be described as resembling a square question mark shape, with the caecum, colon and rectum forming the stem.

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- The structure of the lower gastrointestinal is characterised by the haustra of the colon - which are small pouches that create its segmented appearance. These haustra are formed by the teniae coli, which are bands of muscle running along the colon surfa

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- The caecum lies in the right iliac region of the pelvis, and the appendix arises from its postero-medial wall (below the ileocecal valve) and usually projects postero-medially; however, this varies greatly between patients.

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- The transverse colon is a very mobile structure; hence, its exact location can vary between patients. (Refer to pic) However, it usually extends left from the hepatic flexure, running through the right hypochondriac region, epigastric region, commonly d

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