2.3 Brainstem And Cranial Nerves Flashcards
Where do all ascending and descending pathways pass through
Brainstem
Which nuclei does the Brainstem contain
Cranial nerves 3 to 12 except 6
How is the cerebellum connected to the Brainstem
3 cerebellar peduncles (white fibre tracts)
Which cranial nerves emerge at the midbrain level
3 and 4
Where do cranial nerves 3 and 4 emerge
Midbrain level
Which cranial nerves emerge at pons (pontine level)
5, 6, 7 and 8
Where do cranial nerves 5 to 8 emerge
Pons/ pontine level
Which cranial nerves emerge From the medulla
9, 10 and 11
Where do cranial nerves 9 to 11 emerge
Medulla
Which motor pathways fibres cross in the medulla
Corticospinal
CNS blood supply comes from
Anterior and posterior arterial systems
Which vessel is the anterior arterial system derived from
Internal carotid system
Which vessel is the posterior arterial system derived from
Vertebrobasilar
GSA
General somatic afferent
General somatic afferent
Fibres carry general sensation from skin, muscles, joints of head and neck
