To muscles
Lower motor neuron axon
in cranial nerve
Synapse with brainstem
motor neurons in nuclei of
cranial nerves
V, VII, IX, X,
XI
(cranial), and
XII
Note:
cranial nerves
III, IV
and
VI
to ocular muscles are
controlled in a more complex
way via other brainstem links,
not shown here
Corticobulbar tract
Decussation
in brainstem
Primary motor cortex
Upper motor neuron
cell body in primary
motor cortex
Central sulcus
© KCL
Coronal section