Ventral trigeminal tract

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Ventral Trigeminal Tract[edit | edit source]

The ventral trigeminal tract is a neural pathway in the brainstem that is involved in the transmission of sensory information from the face to the thalamus. This tract is part of the larger trigeminal nerve system, which is responsible for sensation in the face and certain motor functions such as biting and chewing.

Anatomy[edit | edit source]

The ventral trigeminal tract originates from the trigeminal nerve (cranial nerve V), which has three major branches: the ophthalmic nerve, the maxillary nerve, and the mandibular nerve. Sensory information from these branches is first processed in the trigeminal ganglion before being relayed to the brainstem.

Within the brainstem, the sensory information is transmitted to the trigeminal sensory nuclei, which include the principal sensory nucleus and the spinal trigeminal nucleus. From these nuclei, the sensory information is conveyed via the ventral trigeminal tract to the ventral posteromedial nucleus of the thalamus.

Function[edit | edit source]

The primary function of the ventral trigeminal tract is to carry sensory information, including touch, pain, and temperature sensations, from the face to the thalamus. This information is then relayed to the somatosensory cortex for processing and perception.

Clinical Significance[edit | edit source]

Damage to the ventral trigeminal tract can result in loss of sensation or abnormal sensations in the face. Conditions such as trigeminal neuralgia can affect the trigeminal nerve and its associated pathways, leading to severe facial pain.

Related Structures[edit | edit source]

See Also[edit | edit source]

References[edit | edit source]



External Links[edit | edit source]


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