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Search Results: 1 - 10 of 9476 matches for " Cláudia Portes; "
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Um nematodeo parasito do pinguim Spheniscus magellanicus (Forster) (Ascaridoidea, Anisakidae)
Santos, Cláudia Portes;
Memórias do Instituto Oswaldo Cruz , 1984, DOI: 10.1590/S0074-02761984000200010
Abstract: the nematodes were collected from the penguin spheniscus magellanicus (forster) (sphenisciformes). a study from the main species of contracaecum that occur in penguins and piscivorous birds from the south hemisphere is made, more specifically the c. eudyptulae johnston & mawson, 1942a, c. eudyptes johnston & mawson, 1953, c. heardi mawson, 1953, c. antarcticum johnston, 1938, c. prevosli tchéprakoff, 1966, c. spiculigerum (rudolphi, 1809), c. osculatum (rudolphi, 1802), c. scotti (leiper & atkinson, 1914) and c. pelagicum johnston & mawson, 1942b. c. pelagicum is redescribed and turns to be a new rference for spheniscus magellanicus (foster).
Redescri??o de Angiostrongylus (Parastrongylus) costaricensis isolado de novo hospedeiro silvestre, Proechimys sp., na Venezuela (Metastrongyloidea, Angiostrongylidae)
Santos, Cláudia Portes;
Memórias do Instituto Oswaldo Cruz , 1985, DOI: 10.1590/S0074-02761985000100012
Abstract: angiostrongylus (parastrongylus) costaricensis is reported from a new host, proechimys sp., a rodent collected in venezuela. a study of the species is presented.
Camallanus tridentatus (Drasche) (Nematoda: Camallanidae): new taxonomically important morphological data
Santos, Cláudia Portes;Moravec, Franti?ek;
Memórias do Instituto Oswaldo Cruz , 2009, DOI: 10.1590/S0074-02762009000100014
Abstract: camallanus tridentatus is redescribed on the basis of the examination of specimens obtained from the stomach, caeca and intestine of the naturally infected arapaima arapaima gigas (schinz) from the mexiana island, amazon river delta, brazil. data on the surface morphology of adults inferred from confocal laser scanning and scanning electron microscopical observations are also provided. the study revealed some taxonomically important, previously unreported morphological features in this species, such as the presence of the poorly sclerotized left spicule and deirids. c. tridentatus distinctly differs from other congeneric species parasitizing freshwater fishes in south america mainly in the structure of the buccal capsule and the female caudal end. c. maculatus martins, garcia, piazza and ghiraldelli is considered a junior synonymm of camallanus cotti fujita.
Desciption of Cribomazocraes travassosi n. sp. (Monogenea: Mazocraeidae), a fish parasite from the Atlantic Ocean
Santos, Cláudia Portes;Kohn, Anna;
Memórias do Instituto Oswaldo Cruz , 1992, DOI: 10.1590/S0074-02761992000500046
Abstract: cribomazocraes travassosi n. sp. is described from harengula clupeola (cuvier, 1829) from rio de janeiro, coast, brazil. it differs from c. nagibinae, mamaev, 1981 in the size and shape of opisthohaptor and lappet and in the smaller size of anchors. from c. bychowskyi it also differs in the extension of vittelaria. a key for the species of the genus is presented.
First report of Mazocroeoides georgei price, 1936 and Mazocraeoides opisthonema Hargis, 1955 in Brazil with new synonysms (Monogenea, Mazocraeidae)
Kohn, Anna;Santos, Cláudia Portes;
Memórias do Instituto Oswaldo Cruz , 1988, DOI: 10.1590/S0074-02761988000400007
Abstract: mazocraeoides georgei price, 1936 and mazocraeoides opisthonema hargis, 1955 are reported for the first time in brazil in brevoortia aurea (spix, 1829) and in harengula clupeola (cuvier, 1829) respectively, clupeid fishes from the littoral of rio de janeiro state, which represent new host records. mazocraeoides olentangiensis sroufe, 1958 and mazocraeoides hargisi price, 1961 are considered new synonyms for mazocraeoides georgei.
Ultrastructure and cytochemistry of the tegument of Atriaster heterodus (Platyhelminthes: Monogenea)
Santos, Cláudia Portes;Lanfredi, Reinalda Marisa;
Memórias do Instituto Oswaldo Cruz , 2000, DOI: 10.1590/S0074-02762000000600028
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.
Occurrence of Anisakis physeteris Baylis, 1923 and Pseudoterranova sp. (Nematoda) in Pygmy Sperm Whale Kogia breviceps (De Blainvillei, 1838) (Physeteridae) in Northeastern Coast of Brazil
Portes Santos Cláudia,Lodi Liliane
Memórias do Instituto Oswaldo Cruz , 1998,
Abstract:
Ultrastructure and cytochemistry of the tegument of Atriaster heterodus (Platyhelminthes: Monogenea)
Santos Cláudia Portes,Lanfredi Reinalda Marisa
Memórias do Instituto Oswaldo Cruz , 2000,
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.
Absonifibula estuarina sp. n. (Monogenea: Diclidophoridae) parasite of juvenile Cynoscion guatucupa (Osteichthyes) from southwestern Atlantic Ocean
Santos, Cláudia Portes;Tomás Timi, Juan;
Memórias do Instituto Oswaldo Cruz , 2009, DOI: 10.1590/S0074-02762009000700004
Abstract: absonifibula estuarina sp. n. (diclidophoridae, absonifibulinae), is described from the gills of juvenile striped weakfish, cynoscion guatucupa (cuvier), from the southwestern atlantic, argentinean coast. this marine fish migrates to estuarine areas to spawn where exclusively juveniles are found parasitized; adult fish in marine water were never found to be parasitized by this monogenean. a. estuarina sp. n. is characterized mainly by the pedunculate clamps dissimilar in size, the shape of anterior jaw with sclerite 'a' attached to a sub-trapezoidal lamellate extension and fused to sclerites 'c' and 'd'. it differs from absonifibula bychowskyi lawler & overstreet, 1976, the only known species of the genus, in the shape and arrangement of the genital corona, which is armed with six similar hooks disposed in circle and the sub-trapezoidal shape of lamellate extension ('b'). the restriction to juvenile sciaenids is a shared feature among the absonifibulinae indicating an estuary-dependent life cycle.
Capillostrongyloides arapaimae sp. n. (Nematoda: Capillariidae), a new intestinal parasite of the arapaima Arapaima gigas from the Brazilian Amazon
Santos, Cláudia Portes;Moravec, Franti?ek;Venturieri, Rossana;
Memórias do Instituto Oswaldo Cruz , 2008, DOI: 10.1590/S0074-02762008000400013
Abstract: a new nematode species, capillostrongyloides arapaimae sp. n., is described from the intestine and pyloric caeca of the arapaima, arapaima gigas (schinz), from the mexiana island, amazon river delta, brazil. it is characterized mainly by the length of the spicule (779-1,800 μm), the large size of the body (males and gravid females 9.39-21.25 and 13.54-27.70 mm long, respectively) and by the markedly broad caudal lateral lobes in the male. it is the third species of genus capillostrongyloides reported to parasitize neotropical freshwater fishes.
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