Cutaneous nerve

Cutaneous Nerve

File:Gray's Anatomy plate 820.png

Cutaneous nerves of the right upper extremity. (Anterior view)

The Cutaneous Nerve is a type of peripheral nerve that supplies the skin. These nerves carry sensory information from the skin to the central nervous system.

Structure

Cutaneous nerves are composed of sensory neurons, which are responsible for transmitting sensory information from the skin to the brain. They originate from the dorsal root ganglia of the spinal cord, and branch out to innervate the skin.

Function

The primary function of cutaneous nerves is to transmit sensory information from the skin to the brain. This includes sensations of touch, temperature, pain, and pressure. They also play a role in the autonomic nervous system, helping to regulate functions such as sweat production and blood flow to the skin.

Clinical significance

Damage to cutaneous nerves can result in a loss of sensation in the affected area. This can occur as a result of injury, surgery, or certain medical conditions such as diabetes or neuropathy. In some cases, damage to cutaneous nerves can also cause pain or abnormal sensations, a condition known as neuropathic pain.

See also

• Dermatome (anatomy)
• Nervous system
• Peripheral neuropathy

References

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