![{Internal Medicine} Gastrointestinal System Notes [PDF] By Dr. Srinath.Chandramani](https://medbooksvn.org/wp-content/uploads/2019/07/Annotation-2019-07-13-224445-300x226.png)
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Summary oF the Book::
Anatomy
• The gastrointestinal (GI) tract extends from the mouth to the
anus and comprises several organs with distinct functions.
• Gut compartmentalization: The organs are separated by
specialized & independently controlled thickened sphincters
that aid in gut compartmentalization.
Functionally the gut wall is organized into :
• The mucosa serves as a barrier to luminal contents and as a
site for transfer of fluids or nutrients.
• Gut smooth muscle mediates propulsion from one region to
the next.
• The serosal layer provides a supportive foundation and permits
external input
Anatomical levels in the GIT :
• Oral cavity
• Oesophagus
• Stomach
• Small intestinal
• Large intestinal
• Peritoneum
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