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Registros recuperados: 5
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Histological and histochemical characterization of secretory cells of the male copulatory organs of Girardia anderlani (Platyhelminthes: Tricladida: Paludicola) Zoologia
Vara,Dioneia C. da; Leal-Zanchet,Ana M..
Glands of the reproductive system are important for taxonomical identification of flatworms. We studied the histology and histochemical characteristics of the glands of the male copulatory apparatus in Girardia anderlani (KAWAKATSU & HAUSER, 1983). Specimens were fixed in reproductive state, i. e. during and following copulation at four, eight, 12 and 16 hours intervals. Secretory cells were distinguished on the basis of secretion morphology and their staining properties, using trichrome methods and histochemical reactions. Twelve secretory cell types and five main types of secretions were identified in the male copulatory apparatus: glycoproteic with and without tryptophan; glycosaminoglycidic; neutral mucopolysaccharidic; and proteic. Compared to...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Dugesiidae; Glands; Flatworms; Reproductive system.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752008000200015
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Les polyclades (plathelminthes de vie libre) du nord de la Tunisie : inventaire et distribution OceanDocs
Gammoudi, M.; Ben Rached, B.; Tekaya, S..
Les polyclades sont des vers plats de vie libre, presque exclusivement marins et très peu connus en Tunisie. Ce travail a pour objectif de faire le point des connaissances actuelles sur les espèces de polyclades rencontrées en Tunisie. La prospection de quelques stations au Nord du pays nous a permis de récolter huit espèces dont trois signalées pour la première fois en Tunisie. Il s’agit de Discocelis tigrina, Prostheceraeus moseleyi et Pseudoceros maximus. Une description des espèces collectées ainsi que leur distribution géographique en Tunisie sont présentées dans ce travail. La position taxonomique de chaque espèce est également donnée et son habitat est décrit.
Tipo: Journal Contribution Palavras-chave: Worm culture; Flatworms.
Ano: 2011 URL: http://hdl.handle.net/1834/4596
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Primer registro de la familia Sagittiferidae (Acoelomorpha: Acoela) para Cuba OceanDocs
Varela, C..
The family Sagittiferidae is recorded for the first time for Cuban Archipelago. Convolutriloba retrogemma, new record for Cuba, was found in an exhibition tank at the National Aquarium of Cuba, Havana city.
Tipo: Journal Contribution Palavras-chave: 1243; New records; Cuba; Flatworms; Http://aims.fao.org/aos/agrovoc/c_1997; Http://aims.fao.org/aos/agrovoc/c_10889.
Ano: 2011 URL: http://hdl.handle.net/1834/4061
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Salinity stress from the perspective of the energy-redox axis: Lessons from a marine intertidal flatworm ArchiMer
Rivera-ingraham, Georgina A.; Nommick, Aude; Blondeau-bidet, Eva; Ladurner, Peter; Lignot, Jehan-herve.
In the context of global change, there is an urgent need for researchers in conservation physiology to understand the physiological mechanisms leading to the acquisition of stress acclimation phenotypes. Intertidal organisms continuously cope with drastic changes in their environmental conditions, making them outstanding models for the study of physiological acclimation. As the implementation of such processes usually comes at a high bioenergetic cost, a mitochondrial/oxidative stress approach emerges as the most relevant approach when seeking to analyze whole-animal responses. Here we use the intertidal flatworm Macrostomum lignano to analyze the bioenergetics of salinity acclimation and its consequences in terms of reactive oxygen/nitrogen species...
Tipo: Text Palavras-chave: Energetic balance; Flatworms; Live-imaging; Mitochondrial membrane potential; Osmoregulation; RNS; ROS.
Ano: 2016 URL: https://archimer.ifremer.fr/doc/00625/73743/74411.pdf
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Two new land planarian species (Platyhelminthes: Tricladida) from the Brazilian Atlantic Forest Rev. Bras. Zool.
Almeida,Ana Laura; Kishimoto,Raquel Gualda; Carbayo,Fernando.
The Brazilian Atlantic Forest harbors the world's richest areas of land planarians (Platyhelminthes: Tricladida). Nevertheless, the number of undiscovered species from this biological unit remains seemingly high. Herein we describe Geoplana piriana Almeida & Carbayo, sp. nov. from the state of Rio de Janeiro, and Geoplana tingauna Kishimoto & Carbayo, sp. nov. from the state of Santa Catarina. Each species shows a dorsum with a unique color pattern among Geoplaninae species. Their internal morphology also differs: G. piriana sp. nov. shows a unique combination of features, including an extrabulbar, non-bifurcated prostatic vesicle, a non-folded male atrium, a horizontal, cylindrical penis papilla, a female atrium anteriorly narrowed, and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Flatworms; Geoplaninae; Histology; Taxonomy.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000500006
Registros recuperados: 5
Primeira ... 1 ... Última
 

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