The Palate Flashcards
(30 cards)
What is the soft palate?
soft tissue that forms the roof of the mouth
What are the 4 bones of the hard palate?
- right and left maxilla
- right and left palatine bones
What suture runs down the middle of the hard palate?
Median palatine suture
What are the 2 plates of the sphenoid bone?
lateral and medial pterygoid plates
What lies behind tooth 8?
maxillary tuberosity
What foramen are present in the hard palate?
- incisive canal
- palatine foramina (greater and lesser)
What nerves run through the palatine foramina?
branches of CN V2
What type of epithelium makes the hard palate?
keratinised stratified squamous
What epithelium makes the soft palate?
non-keratinised stratified squamous
What is the mound of mucosa that overlies the incisive canal?
incisive papilla
What is the function of palatal rugae?
mechanical breakdown of food
What fuses the palatal shelves?
midline palatine raphe
What are present in palatal mucosa?
palatine glands
What is the cause of cleft palate?
defect with the formation of the soft palate - lateral palatine processes fail to fuse
What does cleft palate result in?
no hard palate so can see up to nasal cavity
What are 4 complications of cleft palate?
- speech
- dental health
- feeding
- hearing
What arteries supply the palate?
Greater and lesser palatine arteries
What nerves supply the palate?
- nasopalatine
- greater and lesser palatine
What do the nerves of the palate form?
pterygopalatine ganglion
What node drains the palatine tonsil?
Jugulo-digastric
What 4 sets of lymph nodes drain the palate?
- retropharyngeal
- jugulo-digastric
- submandibular
- deep cervical
What are the 5 pairs of muscles of the soft palate?
- levator veli palatini
- tensor veli palatini
- musculus uvulae
- palatoglossus
- palatopharyngeal
What supplies the muscles of the soft palate?
Vagus nerve CN X + Spinal Accessory nerve CN XI
EXCEPT tensor veli palatini (CN V3)
What forms the palatine aponeurosis?
tendons of the tensor veli palatini
