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.

The Cranial Nerves song covers the 12 pairs of cranial nerves and their functions and is used by medical students the world over to help them learn the cranial nerves. Students use the lyric sheet and ...

Cranial nerve testing is a vital skill for detecting and localizing neurological problems, from strokes to brain injuries. It can be performed quickly with minimal equipment, yet provides essential ...

The facial nerve is also known as the seventh cranial nerve (CN7). This nerve performs two major functions. It conveys some sensory information from the tongue and the interior of the mouth.

Medically reviewed by William Truswell, MD Key Takeaways The cochlear nerve is part of the eighth cranial nerve and is ...

When surgeons dissect tissue to remove a tumor or make a repair, they must work cautiously, relying on electrophysical monitors and their own anatomical knowledge to avoid cutting nerves, which could ...

We stood around the body planning our autopsy strategy. A scalpel, we realized, was not going to be the appropriate implement for this corpse, so we made our decision. It took all three of us to ...