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dc.contributor.authorDarias, M. J.-
dc.contributor.authorOrtiz-Delgado, Juan B.-
dc.contributor.authorSarasquete, Carmen-
dc.contributor.authorMartínez-Rodríguez, Gonzalo-
dc.contributor.authorYúfera, Manuel-
dc.date.accessioned2012-04-23T12:14:02Z-
dc.date.available2012-04-23T12:14:02Z-
dc.date.issued2007-
dc.identifier.citationHistology and Histopathology (Cellular and Molecular Biology ) 22(7): 753-768 (2007)es_ES
dc.identifier.issn0213-3911-
dc.identifier.urihttp://hdl.handle.net/10261/48729-
dc.description16 páginas, 8 figuras, 6 tablas.es_ES
dc.description.abstractOrganogenesis of the red porgy (Pagrus pagrus L., 1758) was examined from hatching until 63 days post-hatching (dph) using histological and histochemical techniques. At hatching, the heart appeared as a tubular structure which progressively developed into four differentiated regions at 2 dph: bulbus arteriosus, atrium, ventricle and sinus venosus. First ventricle and atrium trabeculae were appreciated at 6 and 26 dph, respectively. Primordial gill arches were evident at 2 dph. Primordial filaments and first lamellae were observed at 6 and 15 dph, respectively. At mouth opening (3dph), larvae exhausted their yolk-sac reserves. The pancreatic zymogen granules appeared at 6 dph. Glycogen granules, proteins and neutral lipids (vacuoles in paraffin sections) were detected in the cytoplasm of the hepatocytes from 4-6 dph. Hepatic sinusoids could be observed from 9 dph. Pharyngeal and buccal teeth were observed at 9 and 15 dph, respectively. Oesophageal goblet cells appeared around 6 dph, containing neutral and acid mucosubstances. An incipient stomach could be distinguished at 2 dph. The first signs of gastric gland development were detected at 26 dph, increasing in number and size by 35-40 dph. Gastric glands were concentrated in the cardiac stomach region and presented a high content of protein rich in tyrosine, arginine and tryptophan. The intestinal mucous cells appeared at 15 dph and contained neutral and acid glycoconjugates, the carboxylated mucins being more abundant than the sulphated ones. Acidophilic supranuclear inclusions in the intestinal cells of the posterior intestine, related to pynocitosis of proteins, were observed at 4-6 dph.es_ES
dc.description.sponsorshipThis work was supported by the Comisión Interministerial de Ciencia y Tecnología, Spain (CICYT Projects AGL2000-0697-C02-01 and AGL2003-03558). M.J. Darias was supported by a FPI fellowship from MCYT, Spain (FP2000-5265). J.B. Ortiz-Delgado was supported by a Juan de la Cierva Postdoctoral Contract from MCYT, Spain.es_ES
dc.language.isoenges_ES
dc.publisherUniversidad de Murciaes_ES
dc.rightsopenAccesses_ES
dc.subjectGut developmentes_ES
dc.subjectPagrus pagruses_ES
dc.subjectRed porgyes_ES
dc.subjectHistologyes_ES
dc.subjectHistochemistryes_ES
dc.subjectFish larvaees_ES
dc.titleLarval organogenesis of Pagrus pagruses_ES
dc.typeartículoes_ES
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttp://www.hh.um.es/Abstracts/Vol_22/22_7/22_7_753.htmes_ES
dc.identifier.e-issn1699-5848-
dc.type.coarhttp://purl.org/coar/resource_type/c_6501es_ES
item.openairetypeartículo-
item.cerifentitytypePublications-
item.fulltextWith Fulltext-
item.languageiso639-1en-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.grantfulltextopen-
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