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 ...

Your brainstem hosts multiple cranial nerves. The facial nerve is the seventh cranial nerve. It controls your facial movements and expressions. The nerve fibers controlled by your facial nerve also ...

Medically reviewed by John Carew, MD Key Takeaways The greater petrosal nerve is a branch of the facial nerve that helps ...

The vagus nerve is getting a lot of attention online these days. As just one of 12 paired cranial nerves, you may wonder what’s so special about it. But if you’ve seen people on social media sharing ...

Miss Payel Bhattacharya, was diagnosed with a rare disease von Hippel-Lindau or VHL. It is a genetic form of cancer. VHL patients battle a series of tumors throughout their life. VHL may occur in up ...

Clival metastasis refers to the dissemination of malignant cells to the clivus, a central bony structure at the skull base, which can precipitate a spectrum of clinical manifestations. Among these, ...

Glossopharyngeal neuralgia is a rare pain syndrome caused by compression of your glossopharyngeal nerve. It leads to episodes of severe pain, usually on one side of the back of your throat and nose.

A 61-year-old right-handed man presented with a two-day history of a new headache that had developed gradually several hours after he dived into a lake. The headache, which encompassed the entire left ...

Isolated third cranial nerve palsies in head trauma patients can be the result of direct or indirect damage to the oculomotor nerve. They are usually associated with severe head trauma. We reported a ...

Patients presenting with diplopia as a principal symptom, who were referred to the Orthoptic Department from Moorfields Eye Casualty over a 12-month period, were retrospectively investigated. One ...