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Elderly male, stomach cancer, feeding tube into alimentary canal to bypass…

- - - - Muscular tube runs fr mouth to anus
        
        Digest food: smaller fragments
        
        Absorb fragments through lining into blood
    - - ACCESSORY DIGESTIVE ORGANS
        
        Teeth, tongue, gallbladder, digestive glands: secretion break down foods
  - - - Receptors, stretch, changes osmolarity & pH, substrate
    - - Smooth muscle and glands
        
        Stimulate to mix & move lumen contents
  - - - Cleanse mouth,dissolve food chem. , moistens,breakdown of starch w/ amylase
      - Parotid, submandibular, sublingual
        
        Serious cells, mucous cells
        
        Salivary amylase, lysozyme, IgA antibodies, defense against microorganisms
  - - - Passage of food, fluids, air
        
        Esophagus: deglutition
        
        STOMACH
        
        Converts bolus of food to chyme
        
        Lesser omentum, lesser curvature to liver
        
        Greater omentum
        
        Contains fat desposits & lymph nodes
        
        Muscularis , oblique layer
        
        Mucosa simple columnar epithelium
        
        Mucous cells, parietal cells, chief cells
  - - - Unfold amino acid chain to enzymes
    - - Absorb B12, RBCs matures
      - ACH. Stimulate HCI
        
        Cephalic phase, gastric phase, intestinal phase
      - LIVER: function of bile
        
        Pancreas supply enzyme to digest chyme
        
        Filter blood, cystic duct from gallbladder , portal triad: O2
  - - - Pancreatic juice to digest
    - - Tania Colin, haustra
      - Colon: retroperitoneal, ascending, transverse,descending
      - Internal,external sphincter
        
        Deep crypts,mucus goblet cells
        
        Bacteria flora/ Vitamin Sun.
    - - Monosaccharides absorb
        
        Starch& disaccharides break down
      - Salivary amylase, lactose,maltose sucrose
        
        Monosaccharides
      - PROTEINS
        
        Polypeptide, small peptide, amino acid monomers
        
        Lipids, emulsificationm break into fatty acids, monoglycer.
        
        Brush border enzyme
        
        Break into nitrogenous bases,pentode,sugars,phosphate ions
- - - - Decline bowel movement