Intraneural anatomy of the median nerve provides 'third web space' donor nerve graft

D. Ross, S. E. Mackinnon, Y. L. Chang

Research output: Contribution to journalArticlepeer-review

15 Scopus citations


To determine the feasibility of using the fascicular group to the third web space as a source of nerve graft material for bridging of median nerve gaps, a study of the intraneural anatomy of the median nerve was carried out in 23 fresh cadaver specimens. The pattern of plexus formation between the third web-space group and the remainder of the median nerve was determined. The average length of the third web-space fascicular group that could be separated from the median nerve proper prior to plexus intermingling was 24.5 cm. Cross-sectional areas of the graft and the remaining nerve were 4.43 mm2 and 13.76 mm2, respectively. The number of nerve fibers in the third web- space group was 4,847 and in the remaining median nerve, 13,486. Between February, 1989 and October, 1991, this technique has been used on 11 patients to provide donor nerve material for nerve gaps of 3 to 6 cm in the median nerve.

Original languageEnglish
Pages (from-to)225-232
Number of pages8
JournalJournal of reconstructive microsurgery
Issue number3
StatePublished - Jan 1 1992


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