Perforating cutaneous nerve

Perforating cutaneous nerve is a nerve in the human body that originates from the sacral plexus. It is also known as the nervus perforans cutaneus or nervus cutaneus perforans.

Etymology

The term "perforating cutaneous nerve" is derived from the Latin words "perforare" meaning to pierce, "cutis" meaning skin, and "nervus" meaning nerve. Thus, the term literally translates to "piercing skin nerve".

Anatomy

The perforating cutaneous nerve arises from the posterior divisions of the second and third sacral nerves. It pierces the sacrospinous ligament and the gluteus maximus muscle, and supplies the skin over the lower part of the gluteal region.

Function

The main function of the perforating cutaneous nerve is to provide sensory innervation to the skin over the lower part of the gluteal region.

Clinical Significance

Damage to the perforating cutaneous nerve can result in loss of sensation in the area of skin it supplies. This can occur due to trauma, surgery, or diseases that affect the nerves such as diabetes or neuropathy.

Related Terms

• Sacral plexus
• Sacrospinous ligament
• Gluteus maximus muscle
• Gluteal region
• Diabetes
• Neuropathy

Perforating cutaneous nerve Resources
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