Hard and Soft Palate Flashcards
what is the hard palate formed by
palatine process of maxilla and horizontal process of palatine bones
what is the function of the palatine rugae
help with movement of food
where is the incisive papilla
anterior to rugae overlying the incisive foramen
what passes through the incisive foramen
the nasopalatine nerve and the greater palatine atery
what is the function of the soft palate
close the oropharyngeal isthmus or separate the oro and nasopharynx
what runs down the middle of the hard palate bone
intermaxillary suture
what emerges from the greater palatine foramen
greater palatine nerve
what emerge from the lesser palatine foramen
lesser palatine nerves
what is the soft palate strengthened by
palatine aponeurosis
what is the palatine aponeurosis attached to
posterior edge of hard palate and pterygoid hamulus on either side
what runs in the midline of the hard palate and can be felt by the tongue
palatine raphe
what is the soft and hard palate joined by
palatoglossal and palatopharyngeal arches
where do the palatine tonsils sit
in the tonsillar fossa between 2 arches
what are the muscles of the soft palate
levator veli palatini, tensor veli palatini, palatopharyngeus, palatoglossus, musculus uvulae
what does the levator veli palatini attach to
pharyngotympanic tube and temporal bone
what does the levator veli palatini do
lifts palate up
what does the tensor veli palatini attach to
scaphoid fossa, spine of sphenoid and pharyngotympanic tube, aponeurosis
what does the tensor veli palatini do
tenses soft plate and supports levator
opens auditory tube during swallowing to facilitate pressure exchange
where does the palatopharyngeus attach to
hard palate, palatine aponeurosis and lateral wall of pharynx
what does the palatoglossus do
draws soft palate down to tongue
where does the musculus uvula attach to
posterior nasal spine and palatine aponeurosis and uvula
what does the elevation of the soft palate mean for breathing
causes contact with posterior pharynx wall so air passes through the mouth
what does the dropping of the palate mean for breathing
pulls isthmus of fauces to the back of the cavity so air passes through nose
what is the motor control to the tensor veli palatini
mandibular nerve (CNV3)
what is the motor control to all of the palatine muscles except tensor veli palatini
vagus nerve
what arteries supplies the palate
greater and lesser palatine arteries (from maxillary artery from ECA)
what is the journey of the greater palatine artery
goes through greater palatine foramen and into the incisive fossa and joins sphenopalatine artery
what is the venous drainage of the palate
pterygoid venous plexus
what supplies the general sensation to the palate
maxillary nerve - lesser and greater palatine nerves (CNV2)
what nerve supplies the upper anterior gingiva and mucosa
nasopalatine nerves
what palatine muscles form arches
palatoglossus and palatopharyngeus
what arch is the posterior boundary of the oral cavity (more anterior)
palatoglossal
what is the fauces
the space between the oral cavity and pharynx
where is the tonsillar fossa
between the 2 arches
what is the uvula
soft tissue projection in oral cavity
what does the uvula do
create a seal when swallowing to prevent food/liquids entering the nasopharynx
