نتایج جستجو برای: rana
تعداد نتایج: 9884 فیلتر نتایج به سال:
the purpose of this study was to examine the acute and sub-acute effects of diazinon onhistopathological parameters of liver tissue and blood level of hepatic enzymes of male commonfrog (rana ridibunda). frogs were assigned to 9 groups (n=8, meaning 8 frogs in each group):control and treatment groups with 30, 60, 90 and 120 μg/l diazinon in water for one day or oneweek. hepatic enzymes containi...
In 1979, 2 species of pond frogs (Rana nigromaculata and Rana plancyi plancyi) were imported from China, and hybrids were made between these and Japanese, Korean, and Taiwanese pond frogs (R. nigromaculata, Rana plancyi fukienensis and Rana brevipoda) that had been kept for a number of years in the Laboratory for Amphibian Biology of Hiroshima University. From 1982, development of tumors, espec...
Japan, that is, Honshu, Shikoku and Kyushu, Rana brevipoda brevipoda is fbund together with Rana nigromaculata in the Tokai and Kinki districts of Honshu and along the sheres ofthe eastern side of the Inland Sea. Rana brevipoda porosa occurs in the Kanto and Sendai plains and in most ofthe areas along the Shinano River. The fact that the two species are incompletely isolated reproductively from...
Attempts to understand the neural mechanisms which produce behaviour must consider both prevailing sensory cues and the central cellular and synaptic changes they direct. At each level, neuromodulation can additionally shape the final output. We have investigated neuromodulation in the developing spinal motor networks in hatchling tadpoles of two closely related amphibians, Xenopus laevis and R...
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This article documents the addition of 396 microsatellite marker loci to the Molecular Ecology Resources Database. Loci were developed for the following species: Anthocidaris crassispina, Aphis glycines, Argyrosomus regius, Astrocaryum sciophilum, Dasypus novemcinctus, Delomys sublineatus, Dermatemys mawii, Fundulus heteroclitus, Homalaspis plana, Jumellea rossii, Khaya senegalensis, Mugil ceph...
From neurointermediate pituitary glands of Xenopus laevis and Rana esculenta, previously unreported peptides termed hydrins, active on water permeability of frog urinary bladder and frog skin (Brunn or "water-balance" effect), have been isolated and sequenced. These peptides seem to be derived from the pro-vasotocin-neurophysin precursor. Hydrin 1, found in Xenopus, has been identified as vasot...
به منظور بررسی بیوسیستماتیکی دوزیستان بی دم استان مازندران در شمال ایران پس از تعیین ایستگاه های نمونه برداری در شهرهای تنکابن ، رامسر ، محمودآباد، بابلسر، آمل ،بابل ، قائم شهر،ساری، بهشهر و سواد کوه ،242 نمونه دوزیست بی دم از فروردین1387 تا آذر 87 13 جمع آوری شد ، این نمونه ها متعلق به 3 خانواده ranidae, bufonidae , hylidae می باشد.نمونه ها جهت انجام مطالعات کاریولو‍‍‍‍ژیکی،مورفولوژیکی و بیومت...
........................................................................................................ii Acknowledgements...........................................................................................iii Figures and Tables Legend....................................................................................v Research Objectives....................................................
Rana lutea is one of the two anuran species described in 1782 by the Chilean born priest and naturalist Juan Ignacio Molina, and its nomenclatural history is confusing. After a detailed revision of the pertinent literature, we demonstrate that Bufo thaul Schneider, 1799, is a junior objective synonym of Rana lutea Molina, 1782, but based on the usage of both nomina, we revert the precedence and...
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