TSM 1.22 Flashcards
what does temporalis muscle do to mastication?
- elevation and retraction of mandible
where does the two heads of the lateral pterygoid muscle attach to?
1) roof of the infratemporal fossa
2) lateral surface of the lateral pterygoid plate
which pterygoid plate does medial pterygoid muscle attach to?
lateral pterygoid plate
which three muscles help with elevation of mandible?
- temporalis
- medial pterygoid
- masseter
what does lateral pterygoid muscle do?
protrusion
what are the contents of infr-temporal fossa?
- branches of trigeminal V3 branch
- otic ganglion
- maxillary artery and vein
- middle meningeal artery and vein
- branches of cranial nerve 7 and 9
what kind of nerve is anterior division of V3?
- mixed motor and sensory
- largely motor
what does buccal nerve do?
- sensory for the skin
what does buccal branch of facial nerve do?
- motor function to buccinator
which nerve supplies the temporalis muscle?
deep temporal nerve
which nerve supplies the medial pterygoid muscle?
nerve to medial pterygoid
which nerve supplies the masseter muscle?
masseteric nerve
which nerve supplies the lateral pterygoid muscle?
masseteric nerve
what kind of nerve is the posterior division of trigeminal?
motor adn sensory but largely sensory
which nerve helps all taste fibres deviate from trigeminal?
chorda tympani
