Ulnar nerve

Nervus ulnaris

Arises from the medial cord of the brachial plexus (C8-T1). It passes posterior to the medial epicondyle of the humerus (vulnerable to injury), enters the forearm between the heads of flexor carpi ulnaris, and enters the hand through Guyon's canal.

Tipe Nerve
Sistem Tubuh Nervous
Wilayah Tubuh Forearm
Struktur Induk arm nerve
Nama Latin Nervus ulnaris
FMA ID 37319

Fungsi

Provides motor innervation to the hypothenar muscles, interossei, adductor pollicis, and medial two lumbricals. Provides sensory innervation to the medial one and a half digits and corresponding palm area.

Signifikansi Klinis

Ulnar nerve entrapment at the elbow (cubital tunnel syndrome) is the second most common nerve entrapment. Ulnar nerve injury causes claw hand deformity. The funny bone sensation is the ulnar nerve passing posterior to the medial epicondyle.

Pertanyaan yang Sering Diajukan

What is the Ulnar nerve?
Arises from the medial cord of the brachial plexus (C8-T1). It passes posterior to the medial epicondyle of the humerus (vulnerable to injury), enters the forearm between the heads of flexor carpi ulnaris, and enters the hand through Guyon's canal.
What is the function of the Ulnar nerve?
Provides motor innervation to the hypothenar muscles, interossei, adductor pollicis, and medial two lumbricals. Provides sensory innervation to the medial one and a half digits and corresponding palm area.
What body system is the Ulnar nerve part of?
The Ulnar nerve is part of the Nervous.
What conditions affect the Ulnar nerve?
Ulnar nerve entrapment at the elbow (cubital tunnel syndrome) is the second most common nerve entrapment. Ulnar nerve injury causes claw hand deformity. The funny bone sensation is the ulnar nerve passing posterior to the medial epicondyle.
Where is the Ulnar nerve located?
The Ulnar nerve is located in the Forearm region of the body.

Struktur Terkait

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This content is for educational and informational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider for medical decisions.

Data sources: Terminologia Anatomica, Foundational Model of Anatomy, Wikidata.