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.

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Presentation transcript:

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

5

6 PAROTID GLAND LARGEST LOCATED IN FRONT AND BELOW THE EARS LARGEST LOCATED IN FRONT AND BELOW THE EARS

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

8 Stenson duct

9 SUBMANDIBULAR GLAND SECOND LARGEST LOCATED IN SUBMANDIBULAR FOSSA SECOND LARGEST LOCATED IN SUBMANDIBULAR FOSSA

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

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

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

13 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 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