Fastigial nucleus

Fastigial nucleus is one of the deep cerebellar nuclei. It is located medially in the white matter of the cerebellum and is the primary output nucleus for the vermis region of the cerebellum. The fastigial nucleus is involved in the regulation of balance and body posture, and it also plays a role in eye movements.

Anatomy[edit | edit source]

The fastigial nucleus is the most medial of the deep cerebellar nuclei. It is located in the white matter of the cerebellum, just lateral to the midline. The fastigial nucleus receives input from the Purkinje cells of the vermis region of the cerebellum, and it sends output to various parts of the brain and spinal cord.

Function[edit | edit source]

The fastigial nucleus is involved in the regulation of balance and body posture. It receives information about the position and movement of the body from the vestibular system, and it sends signals to the spinal cord to adjust the activity of the muscles and maintain balance.

The fastigial nucleus also plays a role in eye movements. It receives input from the oculomotor nuclei in the brainstem, and it sends output to these nuclei to coordinate the movements of the eyes.

Clinical significance[edit | edit source]

Damage to the fastigial nucleus can result in a variety of neurological symptoms, including ataxia, nystagmus, and dysarthria. These symptoms are often associated with cerebellar diseases such as spinocerebellar ataxia and Friedreich's ataxia.

See also[edit | edit source]

Fastigial nucleus Resources
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