GI: Taste, Chew and Swallow Flashcards
What muscles close the mouth?
Masseter
Temporalis
Medial pterygoid
Which muscle opens the mouth
lateral pterygoid
where does the masseter attach
Angle of the mandible
Zygomatic arch
Where does the temporalis attach
coronoid process of the mandible
lateral aspect of the neurocranium
where does the medial pterygoid attach
medial side of the angle of the mandible
pterygoid plate of the sphenoid bone
where does the lateral pterygoid attach
condyle of mandible
pterygoid plate of sphenoid
What cranial nerve supplies the muscle of mastication
CN V3
Which foramen does the CN V3 leave from
foramen ovale
What supplies the posterior thrd of the tongue with special sensory nerves?
CN IX
What supplies the special sensation of tast to the anterior part of the tonguw
CN VII
What supplies general sensation to the inferior part of the oral cavity including the tongue
CNV3
What supplies the superior part of the oral cavity?
CN V2
Where does CNV2 pass through the cranium
Foramen rotundum
Where are the two exit points of the facial nerve
Internal acoustic meatus
Stylomastoid foramen
What branch of CN VII supplies the tongue
chorda tympani
Where else does the charda tympani supply
secretomotor to the submandibular and sublingual salivary glands
What are the four extrinsic muscles of the tongue
Palatoglossus
Hyoglossus (hyoid bone)
Styloglossus (styloid process of the temporal bone)
Genioglossus
What supplies the muscles of the tongue?
CN XII
Where does CN XII leave the brain
hypoglossal canal
What is the sensory part of the gag reflex
CN IX
Whaat is the motor part of the gag reflex?
CN X
Where does cranial nerve IX exit the cranial cavity
jugular foramen
What muscle prevents drooling
Orbicularis oris
What innervates the orbicularis oris
CN VII
