نتایج جستجو برای: morphologic
تعداد نتایج: 62294 فیلتر نتایج به سال:
In the early 1990‘s initial clinical applications of magnetic resonance imaging of the breast, relied either on a series of low-resolution dynamic (kinetic) images or longer, high-resolution (morphologic) images to differentiate benign from malignant processes. Current MR equipment, however, allows a hybrid technique, providing both kinetic data and high-resolution morphologic information in on...
The differences of temporomandibular joint (TMJ) morphologic parameters by using two-dimensional (2D) and three-dimensional (3D) measuring methods were compared. Ten asymptomatic subjects (26.75 ± 4.89 years) were randomly recruited. The 3D models of the maxilla, mandible, and teeth were reconstructed according to cone-beam computed tomography (CBCT) image data. The morphologic parameters of TM...
There is not yet a formal definition of magnetoencephalography (MEG) spike. This study provides a parametric description and definition of clear-cut MEG spikes recorded simultaneously by MEG and depth electrodes (iEEG). A total number of 367 simultaneous MEG/iEEG spikes were selected for analysis. Distribution of morphologic spike parameters and detailed quantitative analysis of the basic morph...
A quantitative magnetic resonance imaging analysis of the cerebellar deficit hypothesis of dyslexia.
Recent evidence suggests that the primary source of dysfunction in dyslexia is the cerebellum. To examine the cerebellar deficit hypothesis of dyslexia, 20 children with dyslexia and 20 children without dyslexia were assessed using neuropsychological testing and quantitative magnetic resonance imaging. Results demonstrated that the volumes of both hemispheres and the vermis were not statistical...
Posttranslational modification by covalent attachment of polyisoprene intermediates to a carboxyterminal CAAX-box motif is required for the biologic function of proteins such as p21ras, the supergene family of ras-related proteins, nuclear lamins, and subunits of heterotrimeric G-proteins. Cells grown in the presence of lovastatin, which inhibits HMG-CoA reductase and prevents synthesis of inte...
Abstr. act. Martian craters defined as fresh on a more comprehensive analysis of the morphologies the basis of morphologic parameters have been anof fresh craters on Mars and to compare the charalyzed for the presence and abundance of various acteristics and size distribution of morphologic morphologic features as a function of size. features of martian craters with those on the Bowl-shaped cra...
Based on the principle of maximum entropy the primary morphologic equation is derived, and then the equations for hydraulic geometry of longitudinal profile and crosssection are established. For V-shaped cross-sections the relevant morphologic equations which are derived are compared with the existing empirical and semi-empirical formulae. They show good agreement with the prototypes.
OBJECTIVE To evaluate the outcome of phototherapeutic keratectomy (PTK) treatment of epithelial basement membrane dystrophy (EBMD) patients and to examine clinical and morphologic signs of recurrent dystrophy. DESIGN Cross-sectional, clinic-based study. PARTICIPANTS Fifty-two eyes of 39 patients diagnosed with EBMD who underwent PTK between 2001 and 2008. METHODS Preoperative symptoms, be...
Since Hansen first noted variations in the morphology of leprosy bacilli in 1895, many investigators have given attention to such morphologic variations as revealed by staIned preparations. After the advent of antileprosy drugs, many clinicians observed rapid decrease in the proportion of uniformly stained bacilli under therapy. In 1960 Ridley first proposed a "Granularity Index" based on three...
OBJECTIVE The study was undertaken to identify the morphologic changes in the levator ani in different grades of prolapse by using reconstructed three-dimensional models of magnetic resonance images (MRI) and to subclassify prolapse into different categories on the basis of their levator ani morphologic characteristics. STUDY DESIGN Sixty-one women were studied, 8 women in stage I, 15 women i...
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