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axonotmesis |
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axonotmesis /ax·on·ot·me·sis/ (ak″son-ot-me´sis) nerve injury characterized by disruption of the axon and myelin sheath but with preservation of the connective tissue fragments, resulting in degeneration of the axon distal to the injury site; regeneration of the axon is spontaneous and of good quality. Cf. neurapraxia and neurotmesis.
axonotmesis [ak′sənotmē′sis] Etymology: Gk, axon + temnein, to cut an interruption of the axon from nerve injury, with subsequent wallerian degeneration of the distal nerve segment. Connective tissue of the nerve, including the Schwann cell basement membranes, may remain intact. axonotmesis nerve injury characterized by disruption of the axon and myelin sheath but with preservation of the connective tissue fragments, resulting in degeneration of the axon distal to the injury site; regeneration of the axon is spontaneous and of good quality. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| Neuromonitoring can detect stimulation of these nerves and thereby prevent a mechanical or thermal injury that can result in neurapraxia or axonotmesis. The 2 other classifications of nerve injury are axonotmesis (interruption of the axon with subsequent Wallerian degeneration; connective tissue of the nerves remains intact) and neurotmesis (complete transection of the nerve). In cases of neurapraxia or axonotmesis (even partial), some axons remain intact with their normal abductor or adductor function. |
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