The trochlear nerve, also known as cranial nerve 4 (CN IV), controls the superior oblique muscle in your eye. This muscle allows you to move your eyeball down and shift your gaze from side to side.

Anatomy. The 12 cranial nerves exist in symmetric pairs that emerge from the brain itself, as opposed to the rest of your nerves, which branch off from the spinal cord.

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 oculomotor nerve is one of the 12 cranial nerves. These fibers play an important role in the nervous system, a collection of nerves that control essential bodily functions like breathing, your ...

Thomas K et al (2021) Neuroanatomy, Cranial Nerve 9 (Glossopharyngeal). StatPearls Publishing. Vilensky JA et al (2015) The Clinical Anatomy of the Cranial Nerves: The Nerves of ‘On Old Olympus ...

Many cranial nerves and blood vessels pass through the temporal bone. Injuries to this bone can cause a loss of function in the facial muscles, as well as hearing loss and heavy bleeding.

The cranial nerves originate in the brain and travel outward to your head, face, and neck. ... Anatomy of the spine and peripheral nervous system. (n.d.). https: ...

Each cranial nerve has a specific function; ... et al. Hypoglossal nerve: anatomy, anatomical variations comorbidities and clinical significance. J Long Term Eff Med Implants 2019;29:197-203.

The optic nerve is located in the back of the eye. It is also called the second cranial nerve or cranial nerve II. It is the second of several pairs of cranial nerves.