Multiple variations in the course and motor branching pattern of the musculocutaneous nerve with unusual communication with the median nerve

Chentanez, Vilai; Jaruprat, Peeradon; Udomchaisakul, P.; Agthong, Sithiporn; Huanmanop, Thanasil

doi:10.5603/fm.a2016.0014

Cited by 2 publications

(1 citation statement)

References 27 publications

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“…Aydin et al found musculocutaneous nerve failure in a 58year-old male cadaver. They mention that the nerve supply to the biceps brachii and brachialis muscles came from two separate branches of the median nerve, one branch arose from the nerve trunk almost mid-arm, it was again divided into a motor branch to the brachialis muscle and a sensory branch giving sense of the lateral part of the forearm (11). A 43-year-old female cadaver presented with a complete bilateral absence of the musculocutaneous nerves.…”

Section: Discussionmentioning

confidence: 99%

Absence of the Musculocutaneous Nerve; Two Case Reports and Literature Review

Abdelmotalab

2024

Al-Kindy Col. Med. J

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The musculocutaneous nerve is important in the upper extremity because it provides motor innervation to the musculature of the anterior arm region and sensory innervation to the skin on the lateral side of the forearm region. During the dissection of approximately 74 aged male cadaver for the 2021-2022 academic year at the Department of Anatomy, Faculty of Medicine, International University of Africa, Sudan. Considerable variation was present; the musculocutaneous nerve was observed to be absent in both upper extremities. The median nerve replaces the musculocutaneous nerve innervation’s role on both sides except for the coracobrachialis muscle on the right side. A direct branch from the lateral cord innervated it. Reporting these variations has a critical impact on many surgical and clinical procedures.

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Section: Discussionmentioning

confidence: 99%