A complex system of nerves and muscles enables the human eye to blink, gaze, and shift focus. The trochlear nerve is one of six cranial nerves that carry electrical impulses from the brain to the eye.

An extraordinarily well-preserved skull of the Uintan brontothere genus Metarhinus, supplemented by a second, less complete specimen, permits a detailed description of the cranial anatomy, including ...

A new study analyzes the peculiar cranial structure and variability of the best-known species of South American howler monkey, Alouatta seniculus, using geometric models in three dimensions and ...

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Your skull provides structure to your head and face while also protecting your brain. The bones in your skull can be divided into the cranial bones, which form your cranium, and facial bones, which ...

The hypoglossal nerve is one of the 12 cranial nerves arising from the brain. It's a paired nerve, and you have two — left and right. Together, the two hypoglossal nerves control the muscles of the ...

Cranial neuropathy occurs when there is damage to the cranial nerves in the brain or brain stem. Depending on the affected cranial nerve, people may experience different symptoms, such as weakness on ...