نتایج جستجو برای: nerves
تعداد نتایج: 28411 فیلتر نتایج به سال:
The renal nerves constrict the renal vasculature, causing decreases in renal blood flow (RBF) and glomerular filtration rate (GFR). Whether renal haemodynamics are influenced by changes in renal nerve activity within the physiological range is a matter of debate. We have identified two morphologically distinct populations of nerves within the kidney, which are differentially distributed to the ...
An 11-year-old, female, neutered labrador retriever with a history of chronic and progressive right hindlimb lameness facial asymmetry was referred for brain lumbosacral magnetic resonance imaging cerebrospinal fluid analysis. Multifocal non-enhancing T2-weighted images hyperintense lesions were observed in the caudate nuclei medulla oblongata. The oculomotor nerve markedly enlarged showed mark...
This is a most elegantly got up and beautifully illustrated monograph on an investigation of the microscopical changes which take place during the repair of nerves, with or without direct union by suture, based on experimental work performed in the Brown Institute, Vauxhall, on dogs, cats and monkeys, Weigert's Stoeje's and Golgi's methods of staining being principally used. The result of the e...
In recent dentistry research, deep learning techniques have been employed for various tasks, including detecting and segmenting third molars inferior alveolar nerves, as well classifying their positional relationships. Prior studies using convolutional neural networks (CNNs) successfully detected the adjacent area of molar automatically classified relationship between nerves. However, models li...
In post-ganglionic sympathetic neurons, biochemical and electron-microscopical evidence indicate that noradrenaline is stored within granules which, although smaller, resemble adrenal medullary chromaffin granules in some respects. This resemblance between neuronal and adrenal medullary granules has been extended by immunological and enzymic investigations which show that sympathetic nerve gran...
Making more brain dults make new brain cells. But where do those nerve cells come from? New findings suggest that a subpopulation of glia—the brain's filler material—act as the all-important neuronal precursors. Even more startling, a widespread glial cell type called the astrocyte can be converted into a neuronal precursor by the expression of a single gene. " These astrocytes are not viewed a...
Sensory nerves are a kind of nerve that conduct afferent impulses from the periphery receptors to the central nervous system (CNS) and are able to release neuromediators from the activated peripheral endings. Sensory nerves are particularly important for microcirculatory response, and stimulation of pancreatic sensory nerves releases a variety of neuropeptides such as substance P (SP), calciton...
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