نتایج جستجو برای: tonsils
تعداد نتایج: 2355 فیلتر نتایج به سال:
Palatine tonsils play an important role in the development of the immune system, being the first organ in the lymph system which analyses and reacts to antigenic stimulation. In this study, the peritonsillar area of Waldeyer's ring was investigated in 88 normal human embryos which were examined histologically and immunohistochemically. The progressive development of palatine tonsils during embr...
Radiofrequency surgery is a widely used modern technique for submucosal volume reduction of the tonsils. So far there is very limited information on morphologic changes in the human tonsils after radiofrequency surgery. We performed histopathological study of tonsillectomy specimens after previous bipolar radiofrequency induced thermotherapy (RFITT). A total of 83 patients underwent bipolar RFI...
In their critical position at the entrance of the aerodigestive tract, the palatine tonsils play an important role in sampling antigens directly from the epithelial surfaces. The number of bacteria shed into the saliva reaches 100 billion per day in healthy individuals [1]. A healthy environment is maintained in the oral cavity by adequate salivary flow to clear the microbes and by the various ...
The bacteriology of acute tonsillitis and the normal flora of the throat in children is interesting and somewhat puzzling. Several studies (Box, Cleveland and Willard, 1961; Reilly et al, 1981; Toner et al, 1986) have shown that the culture of throat swabs taken from children with a history of acute tonsillitis does not differ, in terms of organisms cultured, from those taken from normal childr...
46 individuals with tonsils both hypertrophied and otherwise pathologically altered and some of whom had in addition adenoid masses and lymphoid deposits posterior to the pillars of the fauces, were given exposures to x-rays. In all but four cases the treatment was followed by marked atrophy of the tonsils and the other lymphoid deposits, attended by an opening and drainage of the tonsillar cry...
BACKGROUND The therapeutic effect of tonsillectomy for immunoglobulin A nephropathy (IgAN) has been widely recognized, but the mechanism by which tonsillar immunity leads to glomerulonephritis has been unclear. We investigated subtypes and localization of dendritic cells (DCs) in tonsils and looked for relationships between the tonsillar DCs and the clinical features and renal histological chan...
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