morton Flashcards
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)
what is the external anatomy of the pons
- pons proper
- middle cerebellar peduncle
- CN 5 to 8
- 4th ventricle
- basilar artery
what type of nerve is CN VII
- visceral motor
where is the superior salivatory nucles found? what type of nerve is this?
- CN VII (pons)
- visceral motor
