median-ulnar nerve communications
(redirected from Martin-Gruber syndrome)median-ulnar nerve communications
An anatomic variation (OMIM:155150) of peripheral nerves in which the median and ulnar nerves anastomose, which occurs in 28% of the general population and in 62% of families in which the variant is identified. Awareness of the variation is important in evaluating median and ulnar neuropathies.Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.