Digestive-4
Terms
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- Function of tongue
-
Speech
Formation of bolus
Swallowing
Taste buds - Extrinsic muscles of the tongue
- Oringinate outside the tongue; move the tongue side to side and in and out:moves food around for chewing, shape food into round mass, and force down for swallowing
- Intrinsic uscles of the tongue
- Located within tongue; alter size and shape of tongue for speech and swalowing
- Lingual Frenulum
- A fold of mucous membrane that connects tongue to the floor of the mouth
- Papillae
- Projections on the tongue; not actual taste buds!
- Filiform
- Lack taste buds
- Fungiform
- Most have taste buds
- Circumvallate
- All have taste buds
- Minor salivary glands
- In mucous membrane of mouth and tongue; have short ducts or none; saliva enters directly into oral cavity
- Labial glands
- lips
- Buccal Glands
- Cheeks
- Palatal glands
- Palate
- Lingual glands
- Tongue
- 3 Major salivary glands
-
Parotid glands
Submandibular glands
Sublingual glands - Parotid glands
- Also called "stensen's duct"; empty into vestibule- opposite upper 2nd maxillary molar
- Submandibular Glands
- Also called "Wharton's duct"; Empty into oral cavity lateral to the lingual frenulum
- Sublingual Glands
- Also called "Rivinus duct"; lesser sublingual; Empty into floor of mouth