Lec 11-13 - Cranial Nerves Flashcards
cn in the medulla
9, 10, 11, 12
cn in the pons
5, 6, 7, 8
cn in the midbrain
3,4
cn that is an outgrowth of diencephalon
2
cn that is in telencephalon
1
cn that innervates intrinsic tongue muscles like styloglossus, genioglossus, hyoglossus
12
nucleus of spinal accessory
nucleus ambiguous
spinal accessory innervates these muscles
scm, trapezius
cn arch 1,2,3,4,5
5, 7, 9, 10,10
glossopharyngeal innervates this muscle
stylopharyngeus
glossopharyngeal nerve function
general sense and taste from posterior 1/3 of tongue
carotid sinus senses blank
blood pressure
carotid body senses this
pH/O2/CO2
facial nerve function
taste from anterior 2/3 of tongue and palate, parasympathetic submandibular/sublingual glands
these tastants can pass in to blank
depolarize ligand or ion channels directly
the other three tastants act in this weay
2nd messengers to reelease calcium stores
loss of taste
ageusia
diminished taste
hypogeusia
misinterpretation or hallucination of taste
paraguesia
taste cortex
insula
epileptic seizure that begins with a small aura
uncinate seizures
med term meaning sense of smell
osmia