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A space behind the upper jaw that houses the muscles that move the jaw, along with important nerves and vessels.
Infratemporal fossa: pterygoid muscles for chewing, maxillary artery and pterygoid venous plexus, the mandibular nerve (V3), plus the otic ganglion and chorda tympani.
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.