CN III, IV, VI Flashcards
CN III runs between what arteries?
sup. cerebellar and post. cerebral
CN III runs alongside what artery?
post communicating
CNIII runs below what artery?
int carotid
What nucleus controls the inf rectus muscle?
dorsal of III
What nucleus controls the inf oblique muscle?
intermediate of III
What nucleus controls the medial rectus muscle?
ventral of III
What nucleus controls the levator palpebrae superioris muscle?
central caudal of III
*bilateral
What nucleus controls the superior rectus muscle?
contralateral medial of III
What nucleus controls the superior oblique muscle?
contralateral trochlear
What nucleus controls the lateral rectus muscle?
abducens
Only CN that exits dorsally?
IV
Location of CNIII?
midbrain, ventral to superior colliculi
Location of CNIV?
midbrain, ventral to inferior colliculi
Location of CNVI?
immediately below facial colliculi