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A compact band of white matter deep in the brain through which most of the nerve fibres travelling to and from the cortex pass.
A funnel for the whole cortex: motor fibres at the genu and posterior limb, sensory behind them, so one small lesion can weaken a whole side.
Circle of Willis
An anastomotic ring of arteries at the base of the brain that safeguards its blood supply.
The 12 Cranial Nerves
Twelve paired nerves that arise directly from the brain and brainstem.
The Cerebellum
The hindbrain structure that coordinates movement, posture and balance.
Dermatomes and Myotomes
The skin area (dermatome) and muscle group (myotome) supplied by a single spinal nerve root.
Peripheral Nerve Injuries
The motor and sensory loss patterns of the major upper-limb nerves.
The Cavernous Sinus
A paired dural venous sinus beside the body of the sphenoid, remarkable for the nerves and the artery that run through and beside it.