TSM 1.17 Flashcards
which cranial nerve is trigeminal?
5
which cranial nerve is facial?
7
which cranial nerve is glossopharyngeal?
9
what is the motor function of trigeminal nerve?
muscles of mastication
what is the sensory function of trigeminal nerve?
face and teeth
what is the motor function of facial nerve?
muscles for facial expression
what is the sensory function of facial nerve?
anterior 2/3 of the tongue and soft palate
how many parasympathetic ganglion are there in the head?
4
which muscle help to close eyelids?
orbicularis oculi
what is the orbital part of orbicularis oculi for?
tight closure
what is the palpebral part of orbicularis oculi for?
gentle closure/blinking
what duct pierces buccinator?
parotid duct
what are the 5 branches of facial nerve?
- temporal
- zymgomatic
- buccal
- mandibular
- cervical
what are the 3 branches of trigeminal nerve?
- ophthalmic nerve
- maxillary
- mandibular
how does opthalamic division go through skull?
superior orbital fissure
how does maxillary division go through skull?
foramen rotundum
which ganglion is opthalamic division from?
ciliary
which ganglion is maxillary division from?
pterygopalatine ganglion
how does mandibular division go through the skull?
foramen ovale
which ganglion is mandibular division from?
otic and submandibular
what does a typical arch of cranial nerve contains?
- branchiomotor neurons
- general sensory neurones
- visceral sensory neurones
what kind of palsy does lower motor neurone lesion cause?
ipsilateral palsy
what kind of palsy does upper motor neurone lesion cause?
contralateral side palsy with forehead sparring
what neuron are forehead muscles controlled by?
upper motor neurone from both sides of the brain
where does the parotid duct empties into?
- 2nd upper molar
what is another name for parotid duct?
stensen duct