morton Flashcards
(27 cards)
which plate is responsible for sensory nerve?
alar
which plate is responsibsle for motor nerves?
basal
where are the alar and basal plates found on the spinal cord?
- alar: dorsal
- basal: ventral
between the alar and basal plates, which one is medial and which one is lateral in the brainstem?
- alar is lateral
- basal is medial
which nerves are missing from the midbrian?
- somatic and visceral sensory nerves
what is branchial motor nuclei?
- specialized branchial arches from skeletal muscle in the head
- found in pons and medulla
- in the basal plate
where are the hearing and balance nerves found in the brainstem?
- pons and medulla
- alar plates
which cranial nerves are found in the medulla?
- 9 through 12
what is innervated by CN IX?
- posterior 3rd of tongue
- sensation to oropharynx
what is innervated by CN X?
- heart
- lungs
- GI tract
- palatal muscles
- pharyngeal muscles
- laryngeal muscles
what is innervated by CN XI?
- trapezius
- sternocleidomastoid
what is innervated by CN XII?
- tongue muscle
what is the external anatomy of the medulla?
- pyramid
- olive
- CN 8-12
- 4th ventricle
what type of nerve is CN XII?
- somatic motor
what type of nerve is CN X?
- visceral motor
what type of nerve is CN IX?
- visceral motor
what nerves innervate the branchial motor?
- nucleus ambiguus
- CN IX and X
what muscles are innervated by the nucleus ambiguss? (CN IX and X)
- laryngeal
- palatal
- pharyngeal
what nerves are associated with the gag reflex?
- CN IX and X
what CNs are innervated at the pons?
- CN 5 - 8
what is innervated by CN V
- general sensory to head including oral cavity and teeth
- cornea
- muscles of mastication
what is innervated by CN VI
- abducens nerve (lateral eye muscle)
what is innervated by CN VII?
- facial nerves
- muscles of facial expression
- lacrimal gland
- sublingual and submandibular salivry glands
- taste on anterior 2/3 of tongue
what is innervated by CN VIII
- hearing and balance (vestibulocochlear nerve)
