Medial vestibular nucleus

Medial Vestibular Nucleus

The Medial Vestibular Nucleus (MVN) is a part of the vestibular system in the brainstem that plays a crucial role in maintaining balance and coordinating eye movements. It is one of the four major vestibular nuclei, along with the superior vestibular nucleus, lateral vestibular nucleus, and inferior vestibular nucleus.

Anatomy

The MVN is located in the medulla oblongata, near the fourth ventricle. It receives input from the vestibular nerve, which carries information about head position and movement from the inner ear.

Function

The primary function of the MVN is to process sensory information about head movement and position. It sends this information to other parts of the brain, including the cerebellum and the oculomotor nuclei, to coordinate balance and eye movements. The MVN also sends signals to the spinal cord to help maintain posture and balance.

Clinical Significance

Damage to the MVN can result in a variety of symptoms, including vertigo, nystagmus, and problems with balance and coordination. It can be caused by a variety of conditions, including stroke, multiple sclerosis, and Meniere's disease.

Research

Research on the MVN is ongoing, with scientists seeking to better understand its role in balance and coordination, as well as its involvement in various neurological disorders.

See Also

• Vestibular system
• Vestibular nerve
• Vestibular nuclei
• Balance disorder
• Vertigo