Meningeal branch

Meningeal branch refers to a specific type of nerve branch that originates from the spinal nerves. These branches are responsible for providing sensory innervation to the meninges, the protective layers of tissue that surround the brain and spinal cord.

Anatomy

The meningeal branches are typically small and reenter the vertebral canal to supply the vertebrae, the meninges, and the blood vessels within the canal. They are also known as recurrent nerves or sinuvertebral nerves.

Function

The primary function of the meningeal branches is to provide sensory innervation to the meninges and the blood vessels within the vertebral canal. This sensory information is crucial for the detection of pain and other sensations within these structures.

Clinical significance

Damage or irritation to the meningeal branches can result in severe pain, a condition known as meningitis. This is because the meninges are one of the most pain-sensitive areas in the body. In addition, certain diseases, such as meningitis and subarachnoid hemorrhage, can cause inflammation or bleeding in the meninges, which can also result in severe pain.

See also

• Spinal nerves
• Meninges
• Meningitis
• Subarachnoid hemorrhage

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