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median nerve
This term is a precise anatomical designation used primarily in medical, surgical, and physiological contexts. It describes a specific biological structure rather than a general concept, meaning it is almost exclusively found in clinical reports, textbooks, and healthcare discussions.
Because it refers to a specific anatomical entity, it is typically treated as a countable noun in a clinical sense (e.g., referring to the median nerve in both the left and right arms), though it is most frequently used in the singular when discussing the general pathway or a specific pathology like carpal tunnel syndrome.
Meanings
A major nerve of the upper limb that runs down the arm and into the hand, providing sensory innervation to the thumb, index, middle, and half of the ring finger, and motor control to several muscles in the forearm and hand.
The patient suffered from carpal tunnel syndrome due to compression of the median nerve at the wrist.