Meningeal branch of vagus nerve

Meningeal branch of vagus nerve is a nerve that originates from the vagus nerve, also known as the tenth cranial nerve. It is a small branch that provides sensory innervation to the dura mater in the posterior cranial fossa.

Etymology

The term "meningeal" is derived from the Greek word "meninx," which means "membrane." This refers to the meninges, the protective membranes that cover the brain and spinal cord. The term "vagus" is Latin for "wandering," which describes the path of the vagus nerve as it travels from the brain to various parts of the body.

Anatomy

The meningeal branch of the vagus nerve is a small branch that arises from the jugular foramen, a large opening in the base of the skull. It then ascends to the posterior cranial fossa, where it provides sensory innervation to the dura mater, the outermost layer of the meninges.

Function

The primary function of the meningeal branch of the vagus nerve is to provide sensory innervation to the dura mater in the posterior cranial fossa. This allows the brain to detect pain, pressure, and other sensations in this area.

Clinical significance

Damage to the meningeal branch of the vagus nerve can result in loss of sensation in the dura mater in the posterior cranial fossa. This can lead to a variety of symptoms, including headaches, dizziness, and changes in vision.

Related terms

• Vagus nerve
• Dura mater
• Jugular foramen
• Posterior cranial fossa

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