نتایج جستجو برای: bufotes oblongus
تعداد نتایج: 147 فیلتر نتایج به سال:
A study has been made of the formation and regression of synapses with respect to Schwann cells at the ends of motor nerve terminal branches in mature toad (Bufo marinus) muscle. Synapse formation and regression, as inferred from the appearance and loss of N-(3-triethylammoniumpropyl)-4-(4-(dibutylamino)styryl) pyridinium dibromide (FM1-43)-stained vesicle clusters, occurred at the ends of term...
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background: a field study on the transfer of primordial radionuclides 238u, 232th, 40k and fallout radionuclides 210po in different plant species in tropical forest of western ghats environment is presented. material and methods: the top storey, second storey, shrubs and epiphytic plant species were chosen and concentration of these radionuclides in plant and soil were measured by employing gam...
A carbamyl phosphate synthetase has been detected and partially characterized in hepatopancreas tissue of the land snail Strophocheitus oblongus. The enzyme is localized in mitochondria, utilizes L-glutamine, and shows an absolute requirement for N-acetyl-L-glutamate. This unique combination of properties distinguishes the snail enzyme from either of the previously described animal carbamyl pho...
As part of his function as assistant to the director of the Rijksmuseum van Natuurlijke Historie in Leiden, the Netherlands (RMNH, currently Naturalis Biodiversity Center), the German biologist Hermann Schlegel received several herpetological specimens from Algeria for identification purposes during the mid-19 century. These specimens were sent to him by Moritz Wagner, who undertook an expediti...
The mechanism of an increase in metabolic rate induced by lactate was investigated in the toad Bufo marinus. Oxygen consumption (Vo(2)) was analyzed in fully aerobic animals under hypoxic conditions (7% O(2) in air), accompanied by measurements of catecholamines in the plasma, and was measured in isolated hepatocytes in vitro under normoxia by using specific inhibitors of lactate proton symport...
A study was made to determine the disposition of vesicle-associated proteins (syntaxin, SV2, SNAP-25) and calcium channels with respect to the spatial extent of spontaneous and evoked quantal release within regions of amphibian motor-nerve terminal branches delineated by FM1-43 stained vesicle clusters (blobs). Discrete concentrations of vesicles revealed approximately 2 microm apart along the ...
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