Enteric nerve fibres in the intestinal mucosa of an elasmobranch
作者： Gabriella Faraldi , Angela Vallarino , Grazia Tagliafierro , Luigi Borgiani , Tiziano Zanin
DOI: 10.1080/11250009009355714
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摘要: Abstract The presence and distribution of some neuropeptides serotonin was investigated in the enteric nervous system dogfish Scyliorhinus canicula by immunohistochemical ultrastructural methods. At light microscope, whole mount preparations showed numerous VIP‐ PHI‐immunopositive nerve fibres lamina propria muscolaris mucosae, while few bombe‐sin‐ serotonin‐immunopositive were particularly located blood vessel wall near smooth muscular fibres. electron unmyelinated seen same localization as neuropeptide‐ serotonin‐immunoreactivities. terminal axons vesicle‐containing varicosities which alternated with narrow tracts characterized neurofilaments neurotubules. Six different kinds vesicles identified according to their size electron‐density. These often occurred varicosity, suggesting more than one peptide, tog...
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