نتایج جستجو برای: ultrastructural changes
تعداد نتایج: 884226 فیلتر نتایج به سال:
این پژوهش به منظور بررسی سیر بیماری زایی و مورفوپاتولوژی ضایعات ایمریا آرلوینگی، ارزیابی ارگان ها و بافت های درگیر شده و نحوه پراکندگی ضایعات در بافت ها، الگوی دفع ااسیست، بررسی فراساختاری مراحل تکاملی انگل، تغییرات هماتولوژی و بیوشیمیایی ایجاد شده در خلال آلودگی تجربی از زمان آلوده سازی تا 42 روز پس از آن و شناسایی جایگاه فیلوژنی انگل در مقایسه با دیگر اعضای جنس ایمریا انجام شد. تعداد 18 رأس ب...
BACKGROUND/AIMS To evaluate the ultrastructural changes in the macula after successful repair of rhegmatogenous retinal detachment (RRD) using simultaneous spectral domain optical coherence tomography (sdOCT) and fundus autofluorescence (FAF) imaging and to perform functional correlations with microperimetry. METHODS Simultaneous sdOCT and FAF imaging were performed using a combined sdOCT-con...
Purpose: Our aim was determination of the sheep oocytes ultrastructural changes follow vitrification and in vitro maturation. Materials and Methods: Good quality isolated cumulus-oocyte complexes (COCs) were randomly divided into non-vitrified control, conventional straw, cryotop and solid surface vitrification groups. In the conventional and cryotop methods the vitrified COCs were plunged dire...
Background & Aims : Successful implantation of blastoctcyst requires a suitable environment of uterus. Ovarian hormones are responsible for induction of endometrial receptivity. The aim of this study was to determine the effects of different luteal support hormones on the ultrastructural changes in superovulated mice in the implantation window time. Materials & Methods : Adult male and fe...
purpose: to report the clinico-pathological and ultrastructural features of a case of meesmann corneal dystrophy (mcd). case report: a 10-year-old boy presented with decreased vision in both eyes since early childhood. slitlamp biomicroscopy disclosed diffuse intraepithelial microcystic changes in the cornea but other layers appeared unremarkable. high pathologic myopia and amblyopia were other...
The structural changes associated with the ultraviolet-induced bleaching of light-grown cells of Euglena gracilis were investigated. Our lightand electron-microscopic observations of the bleaching process indicate that there is a continuity of plastid structure in cells 5 generations after receiving a bleaching dose of ultraviolet light. There seems to be a continuous dilution of the plastid th...
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