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The ileum is the short termi of the small intestine and the connection to the large intestine. It is suspended by the caudal part of the mesentery (mesoileum) and is attached, in addition, to the cecum by the ileocecal fold. The ileum terminates at the cecocolic junction of the large intestine forming the ileal orifice.
The last part of the small intestine is the ileum. This also contains villi and vitamin B12 ; bile acids and any residue nutrients are absorbed here. When the chyme is exhausted of its nutrients the remaining waste material changes into the semi-solids called feces , which pass to the large intestine, where bacteria in the gut flora further ...
The small intestine supports the body's immune system. [20] The presence of gut flora appears to contribute positively to the host's immune system. Peyer's patches, located within the ileum of the small intestine, are an important part of the digestive tract's local immune system. They are part of the lymphatic system, and provide a site for ...
The final part of the small intestine is the ileum, which leads into the large intestine. The ileum leads to the ileum cecum valve, which is the beginning of the large intestine. The large intestine, also known as the large bowel, is the last part of the gastrointestinal (GI) tract and of the digestive system.
Intraperitoneal parts of the GI tract are covered with serosa. These include most of the stomach, first part of the duodenum, all of the small intestine, caecum and appendix, transverse colon, sigmoid colon and rectum. In these sections of the gut, there is a clear boundary between the gut and the surrounding tissue.
Quadrants of the abdomen Diagram showing which organs (or parts of organs) are in each quadrant of the abdomen. The left lower quadrant (LLQ) of the human abdomen is the area left of the midline and below the umbilicus. The LLQ includes the left iliac fossa and half of the left flank region. The equivalent term for animals is left posterior ...
The ileocecal fold (or ileocaecal fold) is an anatomical structure of the human abdomen formed by a layer of peritoneum between the ileum and cecum.The upper border of the ileocecal fold is fixed to the ileum opposite its mesenteric attachment, and the lower border passes over the ileocecal junction to join the mesentery of the appendix (and sometimes the appendix itself as well).
The end of the ileum is then brought out through an opening (a stoma) in the abdominal wall. The residual small bowel is reanastamosed with the residual terminal ileum, usually seated inferior relative to the anastomosis. [2] [3] The urine is collected through a bag that attaches on the outside of the body over the stoma.