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Bibliographic Details
Main Author:	V. Roncero Cordero
Format:	Artículo científico
Language:	es
Published:	Asociación Española de Toxicología 2005
Subjects:	Medicina pez tenca ovario plaguicida carbofurano
Online Access:	https://www.redalyc.org/articulo.oa?id=91909907 https://www.redalyc.org/journal/919/91909907/ https://www.redalyc.org/journal/919/91909907/html/ https://www.redalyc.org/journal/919/91909907/91909907.epub https://www.redalyc.org/journal/919/91909907/movil
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Efecto del pesticida carbofurano en ovario de tenca (Tinca tinca L.): ensayo de exposición continuada V. Roncero Cordero T.J. Roy Pérez D. Hernández Moreno M. Pérez López F. Soler Rodríguez Medicina pez tenca ovario plaguicida carbofurano El presente estudio se llevó a cabo a fin de evaluar la influencia del carbofurano (CF),un plaguicida n-metil carbamato, sobre la gónada femenina de tenca (Tinca tinca L). Serealizó un ensayo experimental de exposición continuada durante 40 días aconcentraciones no letales de CF utilizando tencas distribuidas en tres tanques en base agrupo control (C, n=15) y grupos de animales expuestos a CF a concentraciones de 10mg/l (D1; n=12) y 100 mg/l (D2, n=12). A intervalos de 10 días se realizó el sacrificiode tres individuos de cada grupo. Tras la obtención de los datos del peso corporal seprocedió a la extracción y pesaje de las gónadas, con posterior fijación y procesado delas mismas para su estudio histológico.El índice gonadosomático (GSI) de los peces controles se incrementó progresivamente,mientras que en los peces expuestos este GSI no se modificó significativamente, eincluso manifestó una disminución al final de la experiencia. Las observacioneshistológicas de los ovarios revelaron la presencia de un mayor número de oocitosalterados en los grupos D1 y D2, siendo la atresia, degeneración, vacuolización,retracción citoplasmática y nuclear las principales lesiones evidenciadas en las hembrassometidas al efecto tóxico de CF 2005 artículo científico 0212-7113 https://www.redalyc.org/articulo.oa?id=91909907 https://www.redalyc.org/journal/919/91909907/ https://www.redalyc.org/journal/919/91909907/html/ https://www.redalyc.org/journal/919/91909907/91909907.epub https://www.redalyc.org/journal/919/91909907/movil es http://www.redalyc.org/revista.oa?id=919 Revista de Toxicología application/pdf Asociación Española de Toxicología Revista de Toxicología (España) Num.1 Vol.22

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// Anecdotal testing Today and Yesterday seems to indicate destroy() // is called by the garbage collector and everything is good. // Something to keep in mind though. return 0; } /** * Write function that is called when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ public function write($sessId, $data): bool { if ($this->writesDisabled) { return true; } return $this->saveSession($sessId, $data); } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ abstract protected function saveSession($sessId, $data): bool; }

* * @return void */ public function writeClose() { // The assumption is that we're using PHP's ext/session. // session_write_close() will actually overwrite $_SESSION with an // empty array on completion -- which leads to a mismatch between what // is in the storage object and $_SESSION. To get around this, we // temporarily reset $_SESSION to an array, and then re-link it to // the storage object. // // Additionally, while you _can_ write to $_SESSION following a // session_write_close() operation, no changes made to it will be // flushed to the session handler. As such, we now mark the storage // object isImmutable. $storage = $this->getStorage(); if (! $storage->isImmutable()) { $_SESSION = $storage->toArray(true); session_write_close(); $storage->fromArray($_SESSION); $storage->markImmutable(); } } /** * Attempt to set the session name * * If the session has already been started, or if the name provided fails * validation, an exception will be raised. * * @param string $name * @return SessionManager * @throws Exception\InvalidArgumentException */ public function setName($name) { if ($this->sessionExists()) { throw new Exception\InvalidArgumentException( 'Cannot set session name after a session has already started'

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