نتایج جستجو برای: Morphometrical
تعداد نتایج: 800 فیلتر نتایج به سال:
BACKGROUND The grade of dysplasia found in Barrett's oesophagus surveillance biopsies is a major factor to determine follow up and treatment. However, it has been reported that the reproducibility of the grading system is not optimal. AIMS To compare routine and expert dysplasia grades in Barrett's oesophagus surveillance biopsies. To evaluate prospectively morphometrical grading support and ...
PURPOSE To describe the changes in rat retina occurring with ageing by means of histological methods, scanning electron microscopic observations and morphometrical data; and to study by means of biochemical methods the amount of protein content in retinal tissues. METHODS Samples of fresh retinal tissue obtained from young, adult, and aged rats were studied by means of traditional histologica...
Ejaculates (n=344) were collected from 35 Polish Landrace boars. The ejaculates were assigned to one of four groups according to the total number of spermatozoa in an ejaculate. Morphometrical measurements of spermatozoa with proper morphology were performed. Spermatozoa with smaller head length and head area were found in ejaculates with the greatest total sperm number (more than 120 x 10(9) s...
The morphology of faecal microflora of nine healthy human volunteers was studied by digital image analysis of microscopic slides. Weekly specimens were collected during an 8-week period. Seven morphometrical parameters were derived: the means and medians of components 1, 2 and 3, and morphometrical entropy. Statistically significant differences among subjects were found for means of components ...
OBJECTIVE This study attempts to evaluate the GFAP and alpha1a-AR staining and morphometrical nuclear features of oligodendrogliomas and their prognostic implications as compared to present histopathology classification and their survival outcome. STUDY DESIGN Surgical specimens from 24 patients with oligodendrogliomas during the period 1981-2000 were included. These cases were classified int...
Background: The application of luteal phase supplementation hormones to increase the implantation rate is on debate among researchers. Objective: In this study, the morphological and morphometrical assessment of superovulated mice endometrium were investigated at window implantation period superovulated mice. Materials and Methods: Female mice were superovualated then were mated with vasectomiz...
OBJECTIVE To describe a protocol that was based on an integrative neurobiological model of scientific investigation to better understand the pathophysiology of obsessive-compulsive disorder and to present the clinical and demographic characteristics of the sample. METHOD A standardized research protocol that combines different methods of investigation (genetics, neuropsychology, morphometric ...
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