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Body Atlas, Nerve Reference

Nerves

Nerve reference, root levels, course, motor and sensory distribution, entrapment sites, and neuropathies.

116 nerves

116 nerves

Nerve Ophthalmic Nerve nervus ophthalmicus (CN V1) Head & Skull The ophthalmic division of the trigeminal nerve is the smallest of the three divisions, providing purely… Nerve Optic Nerve (CN II) nervus opticus Head & Skull CN II is not a true peripheral nerve but a white matter tract of the brain… Nerve Palmar Cutaneous Branch (Median) ramus cutaneus palmaris nervi mediani Hand & Wrist The palmar cutaneous branch of the median nerve divides from the main median nerve in the… Nerve Phrenic Nerve nervus phrenicus Neck The phrenic nerve is the sole motor supply to the diaphragm, making it the most vital… Nerve Posterior Cutaneous Nerve of the Forearm nervus cutaneus antebrachii posterior Forearm The posterior cutaneous nerve of the forearm is a sensory branch of the radial nerve arising… Nerve Posterior Cutaneous Nerve of the Thigh nervus cutaneus femoris posterior Thigh The posterior cutaneous nerve of the thigh is a large purely sensory nerve supplying the entire… Nerve Posterior Interosseous Nerve nervus interosseus posterior Forearm The posterior interosseous nerve is the deep, predominantly motor branch of the radial nerve after it… Nerve Posterior Interosseous Nerve (Full) nervus interosseus posterior Forearm The posterior interosseous nerve (PIN) is the motor branch of the radial nerve that enters the… Nerve Pudendal Nerve nervus pudendus Pelvis & Hip The pudendal nerve is the primary nerve of the perineum, supplying the external sphincters, perineal muscles,… Nerve Pudendal Nerve (Full) nervus pudendus Pelvis & Hip The pudendal nerve is the primary perineal nerve, supplying the external sphincters, erectile tissue muscles, and… Nerve Radial Nerve nervus radialis Upper Arm The largest brachial plexus branch (C5–T1), winding the humeral spiral groove before dividing into superficial sensory… Nerve Radial Nerve at the Arm — Spiral Groove nervus radialis (sulcus nervi radialis) Upper Arm The radial nerve is vulnerable in the spiral groove of the humerus where it is directly… Nerve Recurrent Laryngeal Nerve nervus laryngeus recurrens Neck A branch of the vagus nerve (CN X), the recurrent laryngeal nerve follows an asymmetric course… Nerve Saphenous Nerve nervus saphenus Thigh The saphenous nerve is the longest cutaneous branch of the femoral nerve, accompanying the femoral vessels… Nerve Saphenous Nerve (Full) nervus saphenus Thigh The saphenous nerve is the purely sensory terminal branch of the femoral nerve, providing medial leg… Nerve Sciatic Nerve nervus ischiadicus Pelvis & Hip The largest nerve in the body, formed from L4–S3 roots, exiting the pelvis below piriformis to… Nerve Spinal Accessory Nerve (CN XI) nervus accessorius (pars spinalis) Head & Skull The spinal accessory nerve (SAN) is the most vulnerable nerve in the posterior triangle of the… Nerve Subscapular Nerves nervi subscapulares Shoulder The upper and lower subscapular nerves supply the subscapularis from the posterior cord of the brachial… Nerve Superficial Fibular Nerve (Full) nervus fibularis superficialis Lower Leg The superficial fibular nerve supplies the peroneal muscles and the dorsal foot sensation. Its fascial exit… Nerve Superficial Peroneal Nerve nervus peroneus superficialis Lower Leg The superficial peroneal nerve supplies the peroneal evertors and provides dorsal foot sensation to most of… Nerve Superior Cluneal Nerves nervi clunium superiores Lower Back The superior cluneal nerves are the cutaneous branches of the posterior rami of L1, L2, and… Nerve Superior Gluteal Nerve nervus gluteus superior Pelvis & Hip The superior gluteal nerve supplies the primary hip abductors and the TFL, exiting the pelvis above… Nerve Superior Laryngeal Nerve nervus laryngeus superior Neck The superior laryngeal nerve arises from the inferior (nodose) ganglion of the vagus and divides into… Nerve Supraclavicular Nerves nervi supraclaviculares Neck The supraclavicular nerves arise from the cervical plexus (C3-C4) and emerge as a group from the…