axotomy sciatic nerve axotomy 2014-01-09T14:57:23Z MA:0001172 MESH:D019771 Surgical transection or severing of one or more axons of the sciatic nerve, the large sensory and motor nerve that in humans arises from the sacral plexus and passes through the greater sciatic foramen to midthigh where it divides into the common peroneal and tibial nerves. XCO:0000375 experimental_condition_ontology jsmith