stomach

stomach

1. enlarged segment of digestive tract

   • stores & mix food
     • meal eaten more quickly than SI can digest
       • very little absorbtion of nutrients

2. glucose & some drugs can absorb through

3. Uses acid to break down food

4. Layers

   • 1. Mucosa
     • 2. Submucosa
       • 3. Muscularis
         • 4. Serosa
           • Visceral peritoneum
         • Longitudinal muse layer
         • Circular muscle layer
         • Oblique muscle layer
     • Folded into RUGAE when stomach empty, allow stomach lining to stretch

5. mouth and stomachs where most of chemical digestion takes place

6. Openings

   • Gastroesophageal
     • Pyloric
       • to duodenum through pyloric sphincter
     • (cardiac) food remains inside stomach due to contraction of sphincters

7. Cardic Sphincters

   • Is a valve at the end of oesophagus, prevents back flow of stomach contents into the oesophagus

8. Esophagus, Cardiac, Cardiac Notch, Fundus, body, lesser curvature, greater curvature, Angular incisure, Pyloric canal and antrum, Duodenum

   • Greater & lesser curvature attached for omenta peritoneum

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