Ulnar Nerve (also known as Nerves, Ulnar, Nerve, Ulnar): A major nerve of the upper extremity. In humans, the fibers of the ulnar nerve originate in the lower cervical and upper thoracic spinal cord (usually C7 to T1), travel via the medial cord of the brachial plexus, and supply sensory and motor innervation to parts

NIH MeSH · D014459Anatomy

Ulnar Nerve

Also known asNerves, Ulnar · Nerve, Ulnar · Ulnar Nerves

Definition

A major nerve of the upper extremity. In humans, the fibers of the ulnar nerve originate in the lower cervical and upper thoracic spinal cord (usually C7 to T1), travel via the medial cord of the brachial plexus, and supply sensory and motor innervation to parts of the hand and forearm.

MeSH classification

  • A08.800.800.720.050.850

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Related concepts

Brachial Plexus

The large network of nerve fibers which distributes the innervation of the upper extremity. The brachial plexus extends from the neck into t…

Common questions about Ulnar Nerve

What does Ulnar Nerve mean in medicine?
A major nerve of the upper extremity. In humans, the fibers of the ulnar nerve originate in the lower cervical and upper thoracic spinal cord (usually C7 to T1), travel via the medial cord of the brachial plexus, and supply sensory and motor innervation to parts of the hand and forearm. This definition is taken from the National Library of Medicine's MeSH (Medical Subject Headings) 2026 release, which is the standard vocabulary used to index PubMed and most medical literature.
Is Ulnar Nerve known by any other names?
Yes. Ulnar Nerve is also referred to as Nerves, Ulnar, Nerve, Ulnar, Ulnar Nerves in different clinical, research and patient-facing contexts. The MeSH descriptor groups all of these synonyms under a single canonical concept so research and records stay consistent.
Where does Ulnar Nerve sit in the medical classification?
Ulnar Nerve falls under the broader medical category "Anatomy" in the MeSH hierarchy (tree numbers: A08.800.800.720.050.850). Browsing the related concepts on this page takes you to neighbouring topics in the same branch of medicine.
Where can I get a plain-language explanation of Ulnar Nerve?
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Source: NIH MeSH 2026 (D014459) — National Library of Medicine, public domain. View official MeSH record ↗