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In mammals complete regeneration is often unsuccessful, while most of the low phyla animals can re-grow many parts of their body after amputation. Cephalopod molluscs, and in particular <jats:italic>Octopus vulgaris<\/jats:italic>, are well known for their capacity to regenerate their arms and other body parts, including central and peripheral nervous system. To better understand the mechanism of recovery following nerve injury in this species we investigated the process of axon regrowth and nerve regeneration after complete transection of the <jats:italic>Octopus<\/jats:italic> pallial nerves. This injury induces scar formation and activates the proliferation of hemocytes which invade the lesion site. Hemocytes appear involved in debris removal and seem to produce factors that foster axon re-growth. Connective tissue is involved in driving regenerating fibers in a single direction, outlining for them a well-defined pathway. Injured axons are able to quickly re-grow thus to restoring structure and function.<\/jats:p>","DOI":"10.1038\/srep46564","type":"journal-article","created":{"date-parts":[[2017,4,20]],"date-time":"2017-04-20T09:27:52Z","timestamp":1492680472000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":44,"title":["Nerve degeneration and regeneration in the cephalopod mollusc Octopus vulgaris: the case of the pallial nerve"],"prefix":"10.1038","volume":"7","author":[{"given":"Pamela","family":"Imperadore","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sameer B.","family":"Shah","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Helen P.","family":"Makarenkova","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Graziano","family":"Fiorito","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2017,4,20]]},"reference":[{"key":"BFsrep46564_CR1","doi-asserted-by":"crossref","first-page":"200","DOI":"10.2307\/1542389","volume":"180","author":"JZ Young","year":"1991","unstructured":"Young, J. 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