Cranial nerves and fossa Flashcards
1
Q
Names of all 12 cranial nerves?
A
Cr. N I - olfactory Cr. N II - optic nerve Cr. N III - occulomotor Cr. N IV - trochlear Cr. N V - trigeminal nerve Cr. N VI - abducens Cr. N VII - facial Cr. N VIII - vestibulocochlear Cr. N IX - glossopharyngeal Cr. N X - vagus Cr. N XI - accessory Cr. N XII - hypoglossal nerve
2
Q
What kind of fibres are in each cranial nerve? Acronym.
A
Some say marry money, but my brother says big brains matter more. Cr. N I - Sensory Cr. N II - Sensory Cr. N III - Motor Cr. N IV - Motor Cr. N V - Both Cr. N VI - Motor Cr. N VII - Both Cr. N VIII - Sensory Cr. N IX - Both Cr. N X - Both Cr. N XI - Motor Cr. N XII - Motor
3
Q
Foramen of each cranial nerve
A
Cr. N I - cribriform plate Cr. N II - optic foramen Cr. N III - supraorbital fissure Cr. N IV - supraorbital fissure Cr. N V - V1 supraorbital fissure, V2 foramen rotundum, V3 foramen ovale Cr. N VI - supraorbital fissure Cr. N VII - internal acoustic foramen, stylomastoid foramen Cr. N VIII - internal acoustic foramen Cr. N IX - jugular foramen Cr. N X - jugular foramen Cr. N XI - jugular foramen Cr. N XII - hypoglossal foramen
4
Q
Contents of foramen spinosum?
A
Middle meningeal artery
Middle meningeal vein
5
Q
Contents of foramen lacerum?
A
Small blood vessels
6
Q
Contents of carotid canal?
A
Internal carotid artery
7
Q
Contents of jugular foramen?
A
IJV
Cr. N IX, X, XI
8
Q
Contents of foramen magnum?
A
Medulla of brain
Vertebral arteries
