1988
DOI: 10.1007/bf02021004
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Sublethal toxicity of an insecticide to the epidermal melanophores ofRana tadpoles

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Cited by 4 publications
(3 citation statements)
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“…The result was attributed to the inhibition of melanocyte stimulating hormone (MSH) action via central nervous system or changes in the biochemical properties of MSH due to toxic effects on melanophores (Tomar and Pandey 1988). Similar observations were also reported earlier in the tadpoles of Rana tigrina exposed to dichlorovos (Tomar and Pandey 1988). Peeling of skin, another effect of acephate observed, due to the direct effect of pesticide on the epidermal cells may be a defense response to the toxicity.…”
Section: Discussionsupporting
confidence: 65%
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“…The result was attributed to the inhibition of melanocyte stimulating hormone (MSH) action via central nervous system or changes in the biochemical properties of MSH due to toxic effects on melanophores (Tomar and Pandey 1988). Similar observations were also reported earlier in the tadpoles of Rana tigrina exposed to dichlorovos (Tomar and Pandey 1988). Peeling of skin, another effect of acephate observed, due to the direct effect of pesticide on the epidermal cells may be a defense response to the toxicity.…”
Section: Discussionsupporting
confidence: 65%
“…Another morphological variation observed in the larvae developed from acephate exposed eggs was decreased pigmentation compared to corresponding controls. The result was attributed to the inhibition of melanocyte stimulating hormone (MSH) action via central nervous system or changes in the biochemical properties of MSH due to toxic effects on melanophores (Tomar and Pandey 1988). Similar observations were also reported earlier in the tadpoles of Rana tigrina exposed to dichlorovos (Tomar and Pandey 1988).…”
Section: Discussionsupporting
confidence: 57%
“…Esta anormalidad se produce cuando se altera el número de melanóforos, distribución, tamaño o contracción o síntesis de melanina (Pandey & Tomar, 1985). Por ejemplo, algunos insecticidas organofosforados pueden provocar la liberación de la hormona hipofisaria estimulante de melanocitos, lo que produce un oscurecimiento en dosis bajas, pero aligeramiento a dosis altas (Tomar & Pandey, 1988). Durante el desarrollo del presente trabajo de tesis se han observado cambios en la coloración en individuos luego de ser fijados, por lo que se debe ser cuidadoso al clasificar esta anormalidad sólo en individuos vivos o bien preservados.…”
Section: Nomenclatura Unificada De Anormalidadesunclassified