BEFORE
CRANIAL NERVES
Mnemonic (Function):
Some Say Marry Money, But My Brother Says Big Brains Matter More
Brainstem:
Midbrain – III, IV
Pons – V
Ponto-medullary – VI, VII, VIII
Medulla – IX, X, XII
Spinal cord – XI
Foramina:
Cribriform – I
Optic canal – II
SOF – III, IV, V1, VI
Rotundum – V2
Ovale – V3
IAM – VII, VIII
Jugular – IX, X, XI
Hypoglossal canal – XII
Parasympathetic:
III – pupil
VII – lacrimation & salivation
IX – parotid
X – thoracoabdominal viscera
Lesions:
III → down & out + ptosis
IV → stairs problem
VI → cannot abduct
VII → LMN whole face, UMN forehead spared
CRANIAL NERVES - NIGHT BEFORE 1