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Nitroxidergic nerve fibers of intracerebral vessels.
Neurosci Behav Physiol
May 2010
Department of Human Anatomy, Vladivostok State Medical University, Vladivostok, Russia.
Light and electron histochemical methods were used to study the structure and distribution of neurons containing NADPH diaphorase and their processes in the parietal area of the cortex in rats. Most neurons were found to be characterized by tight associations with intracerebral vessels. The smallest distances between the axon plasmalemma and the smooth myocytes of intracerebral arteries in the cerebral cortex were at least 0.
View Article and Find Full Text PDFThe presence of NADPH-diaphorase and choline acetyltransferase (ChAT) in all ganglia of the Mactra sulcatoria was demonstrated by histochemical and electron histochemical methods. Pecularities of cholinergic and nitrergic neurons localization were revealed in nervous ganglia, and their relative content there was estimated. It was established that in reaction to ChAT only large neurons were marked.
View Article and Find Full Text PDFThe presence and localization of NADPH-diaphorase in the cerebral ganglion of the shore crab Hemigrapsus sanguineus was investigated with histochemical and electron histochemical methods. The reactivity of this enzyme was found in the deutrocerebrum, mainly in neuropils of olfactory lobes, the lateral antennular neuropil, a laterodorsal group of cells, and in the oculomotor nerve nucleus. Ultrastructural localization of the enzyme was detected in neurons on the perinuclear membrane, and in membranes of endoplasmic reticulum, in mitochondria and cytosol.
View Article and Find Full Text PDFElectron histochemical localization of cathepsin L in the liver.
Bull Exp Biol Med
January 2004
Laboratory of Morphology, Nikolae Testemitsyanu State University of Medicine and Pharmaceutics, Kishinev.
The location of cathepsin L in rat liver was studied by electron histochemical methods. Enzyme activity was detected in lysosomes of hepatocytes, Kupffer cells, and endotheliocytes and extracellularly on hepatocyte microvilli.
View Article and Find Full Text PDFElasticity in extracellular matrix 'shape modules' of tendon, cartilage, etc. A sliding proteoglycan-filament model.
J Physiol
December 2003
Deptartment of Chemical Morphology, Manchester University Medical School, Manchester M13 9PT, UK.
Connective tissues (CTs), which define bodily shape, must respond quickly, robustly and reversibly to deformations caused by internal and external stresses. Fibrillar (elastin, collagen) elasticity under tension depends on molecular and supramolecular mechanisms. A second intra-/inter-molecular pair, involving proteoglycans (PGs), is proposed to cope with compressive stresses.
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