Results 131 to 140 of about 552 (176)
Eye Structure and Vision in the Freshwater Pulmonate Mollusc Planorbarius corneus
Journal of Evolutionary Biochemistry and Physiology, 2002 The structure of the mollusc Planorbarius corneus eye was studied using light and electron microscopy. The eye consists of the cornea, eye lens of non-spherical shape, and the vitreous body tightly bound to it, as well as of a monolayer non-inverted retina composed of photoreceptor and supporting (pigmented) cells.
V. V. Zhukov +2 more
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Acta Biologica Hungarica, 2008 In a reduced preparation of Planorbarius corneus consisting of the CNS and mantle complex, both the dopamine precursor L-DOPA and the serotonin precursor 5-HTP have been found to be able to induce and maintain rhythmic pneumostome (PN) movements coupled, in a neurotransmitter-specific manner, to fictive cyclic locomotion.
Tsyganov, V.
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Hemoglobin Content in Hemolymph of Planorbarius corneus (Mollusca: Gastropoda: Bulinidae) as Indicator of Complex Impact of Parasites and Toxicants [PDF]
Hydrobiological Journal, 2016 Досліджено вплив розчинів натрія нітрату (0,1, 1, 10, 100 мг/дм³) на вміст гемоглобіна у гемолімфі Planorbarius corneus у нормі і за зараження їх редіями Echinoparyhium aconiatum і спороцистами Tylodelphis excavata.Исследовано влияние растворов натрия ...
A P Stadnichenko
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Bollettino Di Zoologia, 1989 An induced agglutinin was observed in Planorbarius corneus after challenge with living Staphylococcus aureus. Purified agglutinin has a MW of about 330-350 kilodaltons and shows an agglutinin titer of 128.
Enzo Ottaviani, Patrizia Tarugi
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Cell-specific effects of lead on cultured neurons of the freshwater snail Planorbarius corneus.
Acta biologica Hungarica, 1993 Cultures of isolated neuronal populations from the central ganglia of the gastropod mollusc Planorbarius corneus were used for testing the effects of inorganic lead. The examined parameters were cell survival, neurite outgrowth and cytoskeletal morphology.
F. BIANCHI +4 more
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Effects of CaCl2 and CaBr2 on the fecundity of Planorbarius corneus L.
Chemosphere, 1999Saturated water solutions of calcium chloride (48.3 g CaCl2/L) and calcium bromide (1065.9 g CaBr2/L) and mixtures, commercially prepared as high density brines, are regulary used during special operations in exploration and production of natural gas and crude oil. After operations, all workover fluids are left in the enviroment as waste.
Papeš, Dražena +3 more
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Sequential analysis of chemoreception in Planorbarius corneus (L.)
Comparative Biochemistry and Physiology Part A: Physiology, 1991Abstract 1. 1. Chemoreception in Planorbarius corneus was investigated using an Y-maze olphactometer. 2. 2. Data were processed in pairs according to the statistical method of sequential analysis. 3. 3. Among the substances tested lettuce homogenate, the amino acids asparagine, arginine, tryptophan, the nucleotide ATP and the sugar α ...
Ferdinando Lombardo +3 more
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Journal of Invertebrate Pathology, 2013
Fever is regarded as a physiological response to infection both in endothermic and ectothermic animals. In ectotherms, fevers are achieved only behaviorally, and has been described in many vertebrates' and few invertebrates' groups. In snails only symptoms of reverse fever as a response to trematode invasion were found.
E, Żbikowska +3 more
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Fever is regarded as a physiological response to infection both in endothermic and ectothermic animals. In ectotherms, fevers are achieved only behaviorally, and has been described in many vertebrates' and few invertebrates' groups. In snails only symptoms of reverse fever as a response to trematode invasion were found.
E, Żbikowska +3 more
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Individual growth of the great ramshorn snail Planorbarius corneus (Gastropoda, Planorbidae) embryos
Russian Journal of Developmental Biology, 2016Individual growth of the great ramshorn snail Planorbarius corneus has been studied by intravital video imaging. As has been observed, the types of growth change over the embryogenesis. The linear dimensions slightly but in a statistically significant manner decrease during the stages of cleavage to blastula.
A A, Zotin, E F, Kirik
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General Pharmacology: The Vascular System, 1980
Abstract 1. 1. The slow phase of the acetylcholine current response has been studied in identified isolated neurons of Planorbarius corneus. 2. 2. The reversal potential of the response was found to be equal to −92 mV (conf. lim. −85 mV to −99 mV); it shifted for 14 mV to more depolarized levels of the membrane potential when the external [K+]
A N, Katchman, B A, Ger, E V, Zeimal
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Abstract 1. 1. The slow phase of the acetylcholine current response has been studied in identified isolated neurons of Planorbarius corneus. 2. 2. The reversal potential of the response was found to be equal to −92 mV (conf. lim. −85 mV to −99 mV); it shifted for 14 mV to more depolarized levels of the membrane potential when the external [K+]
A N, Katchman, B A, Ger, E V, Zeimal
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