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GLANDULAR EPITHELIA, 9) Mechanism of Secretion, -Secrete substances into …

- - - - watery secretion , central and rounded, nuclei well-defined polarity, polyhedral or pyramidal
        
        Basal region - intense basophilia (rER) Apical region - well-developed Golgi complex & protein rich secretory granules
        
        Eg; pancreas, parotid salivary gland
    - - Contains a mixture of both mucous and serous secretory cells
      - Submandibular salivary gland
    - - Mixed acini - mucous cell predominate
      - Serous cells form crescent/moon shaped cap over the mucous cells
  - - - Made of only one glandular epithelium cell called intraepithelial cells. Goblet cells are the only human example
    - - Multiple cells make up one gland called extraepithelial cells. eg; secretory sheets in human stomach
  - - - compound tubular
      - compound acinar
      - compound tubuloacinar
    - - simple coil tubular
      - simple branched acinar
      - simple branched tubular
      - simple tubular