[Changes induced with progesterone in vaginal epithelium. II. Research on impuberal rats after administration of ovarian, adrenal and anterior pituitary hormones].
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Biomedical subjects
Publications and source records attributed to B Baratta.
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Progesterone induced alterations in the vaginal epithelium of the rat has been studied under the following experimental conditions characterized by an abundance of deficiency of gonadotrophins: ovariectomized impuberal rats, ovariectomized adult rats (at different periods following ovariectomy), impuberal rats subjected to ovariectomy and hypophysectomy (untreated and treated with FSH, LH, HCG).
Primary vesico-ureteral reflux (V.U.R.) in children has been widely investigated in several reports in the last two decades, but the morphologic aspects of refluxing vesico-ureteral junction are still incompletely codified or incompletely described. The authors report the results of a histologic study on the terminal refluxing ureter in a group of 20 patients with primitive V.U.R., random chosen from a series of over 400 subjects who underwent antireflux surgery for primitive V.U.R. at the Pediatric Surgery Department of the University of Bologna. Connections between muscular hypertrophy and reflux degree are herein reported and discussed.
Vesico-ureteral reflux (VUR) associated to neurogenic bladder dysfunctions is well known as pathologic entity; in particular, its radiologic and urodynamic aspects have been widely debated in recent years, even in infancy and childhood. In our study, histologic features of the vesico-ureteral junction have been investigated in a group of patients with neurogenic bladder and VUR, who underwent antireflux surgery. Structural aspects of these vesico-ureteral junctions have been then compared to refluxing junctions taken from non-neurogenic bladders and non-refluxing junctions from normal bladders.