Skip to Content
Medical Term:


Pronunciation: ak′son-ot-mē′sis


Interruption of the axons of a nerve that results in degeneration of its distal (peripheral) segment (wallerian degeneration) without appreciable damage to the supporting structures (endoneurium; perineurium; epineurium) of the nerve at the site of the injury.

[axon + G. tmēsis, a cutting]

See Also: neurapraxia, neurotmesis

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.