Salivary Glands

Salivary Glands

1. contains immunoglobins, minerals, electrolytes, etc..

2. for digestion, lubrication, protection, tooth integrity

3. exocrine glands; major and minor

4. epithelial and connective tissue

   • lines ducts and produces saliva
     • secretory cells produce saliva mucous cells- cloudy serous cells- clear
   • surrounds epithelium and supports the gland

5. exocrine- gland w/ a duct associated w/ it

6. endocrine- ductless gland w/ secretions into blood

7. ACINUS- group of secretory cells

   • serous: serous secretory product w/ narrow lumen
   • mucous: mucous secretion w/ wide lumen
   • mucosenous: mucous cells surrounding the lumenw/ serous demilune superficial to mucous cells

8. ductal system: passageway/modification/production of saliva

   • excretory duct
     • secretory
     • saliva goes into oral cavity
     • in septum og gland
     • pseudostratified columnar --> stratified
   • intercalated duct
     • passagway; cubodial
     • contains lactoferrin and lysozome
     • striated duct
       • columnar; connected to intercalated
       • elongated mitochondria
       • absorb/secrete electrolytes
     • attached to acini

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