Head: The Palate (Exam 3) Flashcards
What are the bones that make up the pallate
palatine plates
maxilla
What portion does the maxilla make up
palatine processes
What portion does the palatine bones make up
horizontal plates
What is the hole in the maxilla bone
incisive foramen
What is the palate broken into
hard palate and soft palate
Where is the hard palate located
anteriorly
Where is the soft palate located
posteriorly
What is Maxillary torus
extra bone formation of the maxilla
What are the features of the soft palate
palatoglossal arch
palatopharyngeus arch
uvula
palatine tonsil
What is the function of the uvula
prevents food from entering the nasal cavity when swallowing
Where is the palatine tonsil found
between the palatoglossal arch and palatopharyngeal arch
How is the soft palate formed
muscles that move the palate
What muscles of the soft palate will help close the auditory tube while swallowing
tensor veli palatini
levator veli palatini
Where is the palatoglossus muscle found
in the palatoglossal arch
Where is the palatopharyngeus muscle found
palatopharyngeal arch
What are the 5 muscles that will act on the palate
palatopharyngeous palatoglossus musculis uvulae levator veli palatini tensor veli palatini
What are the 3 parts of the tensor veli palatini
ventrical: originating from scaphoid fossa and eustachian tube
fibrous part: inserting into palatine aponeurosis
tendon between breaks on the hamulus of the pterygoid
What are the actions of the tensor veli palatini
Tense the palate
opens the pharyngotympanic tube (yawning or swallowing)
What is the innervation of tensor veli palatini
CNV3 (via medial pterygoid nerve)
What is the origin and insertion of levator veli palatini
petrous part of temporal bone
palatine aponeurosis
What are the actions of the levator veli palatini
elevate the palate and prevent food from entering into nasopharynx
What is the innervation of levator veli palatini
vagus (pharyngeal branch)
How can levator veli palatini be tested clinically
Saying ah and seeing if it deviates
Deviates away from bad side (points toward good side)
What is the origin and insertion of musculus uvulae
nasal spine of hard palate
CT of uvula
What is the action of the musculus uvulae
elevates and retracts uvula
thickens central region of soft palate
What is the innervation of the musculus uvulae
vagus (pharyngeal branch)
What is the origin and insertion of palatopharyngeus
superior palatine aponeurosis
pharyngeal wall
What is the action of the palatopharyngeus
depress soft palate
elevate pharynx
What is the innervation of the palatopharyngeus muscle
vagus nerve (pharyngeal branch)
What is the origin and insertion of palatoglossus
palatine aponeurosis
lateral margin of the tongue
What are the actions of palatoglossus
elevate the tongue
depress the soft palate
What is the innervation of palatoglossus
vagus nerve (pharyngeal branch)
What will the nasopalatine nerve supply
the anterior portion of the hard palate
What is nasopalatine nerve a branch from
CNV2
Where does the nasopalatine nerve pass through
incisive foramen
What do the greater and lesser palatine nerves supply
mucosa of the posterior hard and soft palate
What doe the greater and lesser palatine nerves enter through
greater and lesser palatine foramina
What does the lesser palatine nerve supply
mucosa and glands of the soft palate
What does the greater palatine nerve supply
mucosa and glands of the hard palate
Where does autonomic innervation to the palate come from
PPG-parasymp
Superior cervical ganglion-symp
What nerve will supply parasympathetic innervation to the nasal and oral cavity
facial nerve
What does the nasopalatine artery arise from
maxillary artery
What does the palatine branch arise from
ascending pharyngeal artery
What arteries supply the palate
ascending palatine artery
palatine branch
descending palatine artery
Where will veins of the palate drain
pterygoid plexus
pharyngeal plexus
Where will lymph from the palate drain
level II then deep cervical lymph nodes
