Anatomy of the tongue and mouth Flashcards
What are the 2 parts of the oral cavity called?
Oral vestibule, oral cavity proper
Where is the oral cavity proper?
lies inside gums and teeth when mouth is shut
Where is the oral vestibule?
area between lips, cheek, alveolar process, gums and teeth
What are the lips?
Two muscular folds
What are the lips made up of?
Fibroelastic connective tissue and skeletal muscle
What do the lips do?
act as a valve for movement of air for functions in respiratory system and manipulate sound for speech
Are the lips sensitive?
Yes
How many sections of the tongue are there?
x2 oral part (body), anterior 2/3 pharyngeal part (root), posterior 1/3
What are papillaes?
little bumps on tongue
What are the 4 papillae types?
Filiform, fungiform, foliate and vallate
Which papillae contain taste buds?
fungiform, foliate and vallate
What cranial nerves are involved with tongue?
vagus, glossopharyngeal, trigeminal, facial, hypoglossal
What are the three major salivary glands called?
parotid glands, submandibular glands, sublingual glands
Is the sublingual gland the smallest or biggest salivary glad?
smallest
Which is the biggest salivary gland?
parotid
Where is the submandibular gland found?
under mandible on medial side
How many divisions does the hard palate have?
2- primary and secondary
What is the hard palate formed of?
palatine bones and maxillae
Where is the soft palate?
between oral and nasal portions of pharynx
Does the soft palate move?
yes
How many arches are the in the primitive pharynx?
6
What happens to the 5th arch in early humans?
obliterated
