Upper GI tract quiz

1
Class Topics
Title Anat Phys 2/28/07
Objectives

• .

• Upper GI tract quiz
• "The pessimist sees difficulty in every
  opportunity. The optimist sees opportunity in
  every difficulty."
• Winston Churchill

Tuesday, November 17, 2009 557 AM
2
Class Assignments
By When
What

• Upper GI tract quiz 2/28/07
• Due this class period
• Due next class period
• Due in the future

3
Tour de Stomach

• Two groups
• Construction
• Builds the stomach and prepares information about
  the walls of the stomach
• Anatomy
• Labels the areas of the stomach and prepares
  information about those areas

4
Stomach3 major functions

• 1. Storage of ingested food
• 2. Disruption of chemical bonds found in ingested
  food
• 3. Mechanical processing of ingested food

5
Stomach

• Produces soupy mixture of partially digested
  material, acids, enzymes
• chyme
• Rugae many folds
• allows for expansion
• 1.0-1.5 liters in a full stomach

6
Stomach regions

• Cardia
• secretes mucus
• Fundus
• used in cases of a very full stomach
• can contain air
• burp
• Body
• region of mechanical processing
• Most gastric pits

• Pylorus
• region in which chyme is transported to small
  intestine