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Cranial Nerves
 
 

CN VI: Abducens Nerve

 
 
 
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On this page:Abducens Nerve PalsyMotor Pathway
 View Topic Outline

Overview

    • Role

    • Somatic motor - eye abduction (lateral rectus).

Abducens Nerve Palsy

    • Abnormalities

    • Inwardly-turned eye
    • Horizontal diplopia
    • Strabismus
    • Inability to look laterally

    • Causes of Abducens Nerve Palsy

    • Small-vessel ischaemia
    • Head trauma
    • Tumour
    • Aneurysm

Motor Pathway

  • Cortical Centre
    Primary motor cortex (frontal lobe)
     
     
    Abducens Nucleus
    Pons
     
    Foramen
    Superior orbital fissure
     
     
    Muscle
    Lateral rectus
 
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