A variation of the musculocutaneous nerve absent

Wu Chul Song, Han Sung Jung, Hee Jin Kim, Chuog Shin, Beob Yi Lee, Ki Seok Koh

Research output: Contribution to journalArticlepeer-review

18 Citations (Scopus)

Abstract

A variation of the brachial plexus, characterized by the absence of the musculocutaneous nerve on the left arm, was found during the dissection of a 28-year old male cadaver. The whole lateral cord was joined to the median nerve, which it met in two points. One was a typical junction of both roots of the median nerve at the level of the coracoid process. The other was a junction of the remaining lateral cord and the median nerve, which was 92 mm away from the typical junction. This case provided some evidence about the absence of the musculocutaneous nerve, rather than a complete fusion of the median and musculocutaneous nerves. As the nerves are named due to their course or innervation, and not from their origin, it is reasonable to assume that the combined nerve was actually the median nerve, and that the musculocutaneous nerve did not exist.

Original languageEnglish
Pages (from-to)1110-1113
Number of pages4
JournalYonsei medical journal
Volume44
Issue number6
DOIs
Publication statusPublished - 2003 Dec 30

All Science Journal Classification (ASJC) codes

  • Medicine(all)

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