The cranial nerves are a set of twelve pairs of nerves that travel to and from the brain. Each has a different function. For example, the olfactory nerve is essential for detecting smells. The ...

The 12 cranial nerves can be injured during head injuries, leading to symptoms like pain and weakness. Cranial nerve damage symptoms might appear right after an injury, or they may not show up until ...

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 brain is made up of many different parts, each responsible for maintaining certain processes in the body or mind. The medulla oblongata is a small area of the brain stem. Though it may be little, ...

The vagus nerve serves as the body's superhighway, carrying information between the brain and the internal organs and controlling bodily functions in times of rest and relaxation. The large nerve ...