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Título: Fine observation on nerves colonizing the regenerating tail of the lizard Podarcis sicula
Fecha de publicación: 1990
Editorial: Murcia : F. Hernández
ISSN: 0213-3911
Materias relacionadas: CDU::5 - Ciencias puras y naturales::57 - Biología
Palabras clave: Regenerating nerves
Neurosecretion
Resumen: During the regeneration of lizard tail, nerves sprouting from ganglia and the spinal cord invade the blastema as far as the apical epidermis. Electron microscopical observations reveal axons storing dense granules (dg) and dense core vesicles (dcv) which are concentrated in nerve terminals or in axoplasmatic regions. In the regenerating spinal cord (SC) these terminals resemble aminergic-peptidergic endings and grow as far as the distal portion of the SC, which is made up of irregularly arranged ependymal cells. Some axons storing dcv contact blastematic cells and other nerve terminals show a plasma membrane incomplete or broken. Whether this latter aspect is due to fixation artifacts or physiological rupture is unknown. Nerves containing dcv and a few dg also originate from spinal ganglia innervating the regenerating tail. The accumulation of material into these endings is probably slow and a possible trophic influence on the regeneration of lizard tail is discussed.
Autor/es principal/es: Alibardi, Lorenzo
Miolo, Valentino
Publicado en: Histology and histopathology
URI: http://hdl.handle.net/10201/18193
Tipo de documento: info:eu-repo/semantics/article
Número páginas / Extensión: 10
Derechos: info:eu-repo/semantics/openAccess
Aparece en las colecciones:Vol. 5, nº 4 (1990)

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