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Anterior Cutaneous Branch of Eighth Intercostal Nerve (Right)
Nervous System

Anterior Cutaneous Branch of Eighth Intercostal Nerve (Right)

Ramus cutaneus anterior nervi intercostalis octavi

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The anterior cutaneous branch arises as the terminal branch of the eighth intercostal nerve.


As the terminal portion of the eighth intercostal nerve pierces through the anterior rectus sheath, it becomes the anterior cutaneous branch.


The anterior cutaneous branches divide into medial and lateral branches that extend over the rectus sheath.

Supplied Structures & Function

The anterior cutaneous branch conveys sensory information from the skin of the anterior abdominal wall. See our dermatome map for cutaneous innervation.

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Intercostal Nerve

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Slipping rib syndrome is produced by impingement of an intercostal nerve between two costal cartilages, secondary to the subluxation of an interchondral articulation.

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