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