Difference between revisions of "Ileum - Anatomy & Physiology"

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==Histology==
 
==Histology==
  
*'''[[Ileal Peyer's Patch - Anatomy & Physiology|Peyer's Patches]]''', part of the mucosal associated lymphoid tissue (MALT), are present throughout the ileum and ileocaecal junction.
+
*'''[[Peyer's Patches - Anatomy & Physiology|Peyer's Patches]]''', part of the mucosal associated lymphoid tissue (MALT), are present throughout the ileum and ileocaecal junction.
 
**They contain B and T lymphocytes.
 
**They contain B and T lymphocytes.
 
**B lymphocytes exist in follicles.
 
**B lymphocytes exist in follicles.

Revision as of 12:04, 16 July 2008

BACK TO ALIMENTARY - ANATOMY & PHYSIOLOGY
BACK TO SMALL INTESTINE - ANATOMY AND PHYSIOLOGY

Structure

  • The ileum is the terminal portion of the small intestine.
  • The boundary between the ileum and jejunum is arbitrarily distinguished by the position of the ileocaecal fold.
  • It is more muscular and firmer than the jejunum.
  • It terminates at the ileocaecocolic junction.

Function

  • Mainly absorptive, much less digestion occurs than in the duodenum and jejunum.

Vasculature

  • The cranial mesenteric artery supplies blood to the ileum.
  • see jejunum

Histology

  • Peyer's Patches, part of the mucosal associated lymphoid tissue (MALT), are present throughout the ileum and ileocaecal junction.
    • They contain B and T lymphocytes.
    • B lymphocytes exist in follicles.

Links

Pathology of the Small and Large Intestines