Cranial Nerve VI - Abducent Nerve | Origin, Structure, Pathway & Function

Cranial Nerve VI - Abducent Nerve | Origin, Structure, Pathway & Function

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Science, Health Sciences, Biology

University

Hard

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The video tutorial covers cranial nerves that control extrinsic eye muscles, focusing on the oculomotor, trochlear, and abducent nerves. It explains the muscles each nerve innervates, particularly the lateral rectus muscle controlled by the abducent nerve, which is responsible for lateral eye movement or abduction. The tutorial also details the pathway of the abducens nerve, highlighting its origin in the pons and its journey through the cavernous sinus to the lateral rectus muscle.

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5 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What are the four extrinsic eye muscles innervated by the oculomotor nerve?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe the function of the lateral rectus muscle.

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the significance of the term 'abduction' in relation to eye movement?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain the pathway of the abducens nerve from its origin to its target muscle.

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

How does the abducens nerve differ from the oculomotor and trochlear nerves in terms of origin?

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