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Babmindra VP Novozhilova AP Bragina TA Kreĭchman GS Miasnikova OE Zhilinskaia NT Kolla GV 《Morfologii?a (Saint Petersburg, Russia)》1998,114(6):22-27
Using light and electron microscopy structural bases for intracellular, extracellular and integrative regulation of synaptic efficiency and neuron sensitivity were established in rat sensomotor cortex. Intracellular regulation is realized basically through modulation of postsynaptic components of the synapse, while extracellular one is provided by synaptic endings of "recurrent" axons on GABA-ergic relay and interneurons. Integrative regulation is realized by means of concentration of similar axonal terminals in restricted cortical area and arrangement of "neuromediatory" pool. 相似文献
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Abakumov MM Mironov AV Timerbaev VKh Kreĭmer VD Borovkova TF Berkalov MIu 《Vestnik khirurgii imeni I. I. Grekova》2000,159(1):61-63
The article presents the results of performing endoscopic intubation of the trachea under emergency situations in patients and victims of traumatic and pyo-inflammatory alterations of organs and tissue of the neck. The technique of the trachea intubation is described. It was noted that in such patients there appear serious problems during the intubation of the trachea by the method of direct laryngoscopy which are due to considerable disturbances of the anatomo-topographic interrelations of the organs, marked edema of the tissues and by the presence of the pathological content in the lumen of the oro- and laryngopharynx. The trachea intubation performed under the control of vision with the help of a bronchofibroscope allows to avoid additional traumatization of the tissue of the oro- and laryngopharynx, to rapidly introduce the endotracheal tube into the trachea without hypoxia, to perform sanitation of the oral cavity, pharynx and the tracheobronchial tree. 相似文献
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Dean Konjević Emil Srebočan Andrea Gudan Ivana Lojkić Krešimir Severin Marijana Sokolović 《Avian pathology》2004,33(3):377-380
Trichotecene poisoning in poultry can cause oral lesions, haemorrhages, depletion and necrosis in the lymphopoetic organs and death. Spontaneous poisonings with these toxins are rarely described. This paper describes the spontaneous poisoning of two Brahma chickens with T-2 toxin, diacetoxyscirpenol and deoxynivalenol. Two out of 10 chickens died under signs of depression and loss of appetite. Histopathological analysis revealed vacuolar dystrophy of the liver, necrosis and depletion of lymphocyte in the bursa of Fabricius as well as multiple necroses in the glandular stomach and gut. Even though quantities of 0.70 mg/kg T-2 in the food together with 0.50 mg/kg diacetoxyscirpenol significantly differ from the median lethal dose for chickens reported in literature (4.97 mg/kg), parasitological, virological and histopathological results indicate trichotecenes as the causative agents of this pathological condition. 相似文献
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