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Salivary Glands

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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

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Minor Salivary Glands

• Found Under the Oral Mucosa –lips, cheeks, palate

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Purpose of Saliva

• Cleanse the Oral Cavity• Moisten food during mastication (chewing)• Protects mucosal lining from dryness• Moistens tissues for ease in speech

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PAROTID GLAND

• •LARGEST• •LOCATED IN FRONT AND BELOW THE EARS

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Parotid Gland

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

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Stenson duct

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SUBMANDIBULAR GLAND

• •SECOND LARGEST • •LOCATED IN SUBMANDIBULAR FOSSA

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SUBMANDIBULAR GLAND

• •Purpose-Secretes 60-65% of Saliva into oral cavity

• •Route of entry-Wharton’s Duct• •Consistency-Serous and mucous

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Wharton’s Duct

• Located floor of the mouth. • Duct can become blocked due to calculus or

food causing swelling.

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SUBLINGUAL GLAND

• •SMALLEST• •LOCATED-SUBLINGUAL FOSSA, NEAR

MANDIBULAR CUSPIDS BUT BELOW FLOOR OF THE MOUTH

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Sublingual Glands

• Purpose-10% of salivary fluids in oral cavity• Entry-Directly into the mouth either through

the ducts of Rivinusor Bartholin’sduct. • Consistency-Muscous• Stimulus-milk or bread