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Neurology- Cranial Nerves > Abducens > Flashcards

Flashcards in Abducens Deck (8)
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1

What base of skull foramina does the abducens nerve pass through?

Superior orbital fissure

2

What type of information is carried on the abducens nerve?

Motor

3

What is the function of the abducens nerve?

Motor supply to the lateral rectus muscle

4

What is the function of the lateral rectus muscle?

Abducts the eyeball

5

Where do the motor neurones of the abducens nerve originate?

The abducens nuclei at the pons, specifically the pontomedullary junction

6

Describe the intracranial path of the abducens nerve?

Passes from its nuclei at the pontomedullary junction and travels towards the orbit within the cavernous sinus

7

The abducens nerve is located close to which other structure? Give an example of a pathology affecting that structure which could therefore affect the abducens nerve?

Internal carotid artery / aneurysm

8

How should the abducens nerve be tested?

H test to assess eye movements