Question:

What is the Nerve Supply of marked structure in the given image:
What is the Nerve Supply of marked structure in the given image:

Updated On: Jul 12, 2025
  • Anterior interosseous nerve
  • Posterior interosseous nerve
  • Ulnar nerve
  • Median nerve
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The Correct Option is D

Solution and Explanation

The nerve supply of a structure is a critical topic in anatomy. To determine the correct answer, it is essential to understand the distribution and function of the nerves mentioned. The Median nerve is a major nerve in the upper limb, originating from the brachial plexus. It is responsible for innervating several muscles in the forearm and hand, particularly the flexor muscles of the forearm, except for the flexor carpi ulnaris and the ulnar half of the flexor digitorum profundus, which are innervated by the ulnar nerve. In relation to the structures typically marked in anatomical images, the Median nerve commonly supplies the pronator teres, flexor carpi radialis, palmaris longus, and the flexor digitorum superficialis.
NerveFunction
Median NerveInnervates most flexors in the forearm
Ulnar NerveInnervates flexor carpi ulnaris and the medial part of flexor digitorum profundus
Anterior Interosseous NerveBranch of the median nerve, innervates deep flexors
Posterior Interosseous NerveBranch of the radial nerve, innervates extensors of the forearm
Based on this anatomical understanding, the correct answer for the nerve supply of the marked structure in the image is the Median nerve.
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