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Please use this identifier to cite or link to this item: http://hdl.handle.net/1807/20315

Title: Ultrastructure and Cytochemistry of the Tegument of Atriaster heterodus (Platyhelminthes: Monogenea)
Authors: Santos, Cláudia Portes
Lanfredi, Reinalda Marisa
Keywords: Atriaster heterodus, tegument, ultrastructure, cytochemistry
Issue Date: 31-Dec-2000
Publisher: Fundação Oswaldo Cruz, Fiocruz
Citation: Memórias do Instituto Oswaldo Cruz (ISSN: 1678-8060) Vol 95 Num 6
Abstract: The tegument of the polyopisthocotylean monogenean Atriaster heterodus Lebedev & Parukhin, 1969 was studied using transmission electron microscopy. The outer syncytial layer of the tegument is connected to the internal cell bodies by cytoplasmic extensions which interweave between the muscular fibres. The free surface of the syncytium has projections of the external membrane which are similar to microvilli. The undulating basal membrane, with numerous narrow elongate projections, is associated with the basal lamina situated between the syncytial and muscular layers. The cell bodies and syncytial layer of the tegument exhibit two types of vesicles, one with fibrous contents and one with electron-dense contents; these were analysed using two cytochemical tests, the E-PTA and alcian blue methods, used for the first time on monogeneans.
URI: http://hdl.handle.net/1807/20315
Other Identifiers: http://www.bioline.org.br/abstract?id=oc00147
Rights: Copyright 2000 Fundacao Oswaldo Cruz Fiocruz
Appears in Collections:Bioline International Legacy Collection

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