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Salivary Glands

Salivary Glands. MAJOR SALIVARY GLANDS. SUPPLY SECRETION TO THE ORAL CAVITY Serous Glands- secrete serum (which is a clear liquid 90% water) Mucous Glands- secrete mucous Mixed Glands- secrete both. Minor Salivary Glands. Found Under the Oral Mucosa –lips, cheeks, palate.

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Salivary Glands

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  1. Salivary Glands

  2. MAJOR SALIVARY GLANDS • SUPPLY SECRETION TO THE ORAL CAVITY • Serous Glands- secrete serum (which is a clear liquid 90% water) • Mucous Glands- secrete mucous • Mixed Glands- secrete both

  3. Minor Salivary Glands • Found Under the Oral Mucosa –lips, cheeks, palate

  4. Purpose of Saliva • Cleanse the Oral Cavity • Moisten food during mastication (chewing) • Protects mucosal lining from dryness • Moistens tissues for ease in speech

  5. PAROTID GLAND • •LARGEST • •LOCATED IN FRONT AND BELOW THE EARS

  6. Parotid Gland • •Purpose-secretes 25% of total saliva • •Route of entry-Stensonduct • •Consistency-Serous • •Stimulus-Sour (lemons)

  7. Stenson duct

  8. SUBMANDIBULAR GLAND • •SECOND LARGEST • •LOCATED IN SUBMANDIBULAR FOSSA

  9. SUBMANDIBULAR GLAND • •Purpose-Secretes 60-65% of Saliva into oral cavity • •Route of entry-Wharton’s Duct • •Consistency-Serous and mucous

  10. Wharton’s Duct • Located floor of the mouth. • Duct can become blocked due to calculus or food causing swelling.

  11. SUBLINGUAL GLAND • •SMALLEST • •LOCATED-SUBLINGUAL FOSSA, NEAR MANDIBULAR CUSPIDS BUT BELOW FLOOR OF THE MOUTH

  12. Sublingual Glands • Purpose-10% of salivary fluids in oral cavity • Entry-Directly into the mouth either through the ducts of RivinusorBartholin’sduct. • Consistency-Muscous • Stimulus-milk or bread

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