نتایج جستجو برای: segmental lining joint
تعداد نتایج: 218407 فیلتر نتایج به سال:
There are various methods for the analysis of the interactional behavior of the surrounding land, using the lining structure which is the most common method of deigning lining structure tools for the static loads by using the hyper static methods. In recent years, there has been a question that depicts whether this method provides the best results in designing the tunnel structure or not.Due to...
Rheumatoid arthritis (RA) is a chronic inflammatory disease characterized by hyperplasia of the synovial lining cells, angiogenesis, and infiltration of mononuclear cells resulting in pannus formation, cartilage erosion and ultimately joint destruction. Synovial tissue (ST) fibroblast hyperplasia is reminiscent of tumor-like proliferation and is a major cause of cartilage destruction in the RA ...
It was proposed some years ago that, in osteoarthritis, one source of joint stiffness arises from 'articular gelling', but, if so, why does this not occur in the normal joint? In a preliminary experiment using agar gels, it is shown how such fusion of gel surfaces can be inhibited by surface-active phospholipid (SAPL)--both synthetic and human--as quantified by the shear stress needed to cause ...
OBJECTIVE To demonstrate the expression of laminins (Lns) and their integrin (Int) receptors in different synovial samples and synovial membrane-like interface tissues from well fixed and aseptically loosened total hip replacement (THR), and the potential role of Ln-Int interaction in the production of collagenases and cytokines. METHODS Immunohistochemical staining was done to detect the dis...
OBJECTIVES The main histological change in rheumatoid arthritis (RA) is the villous proliferation of synovial lining cells, an important source of cytokines and chemokines, which are associated with inflammation. The aim of this study was to evaluate gene expression in the microdissected synovial lining cells of RA patients, using those of osteoarthritis (OA) patients as the control. METHODS ...
We injected methylene blue dye into 32 of the facet joints immediately above the defects in 17 consecutive patients with bilateral spondylolysis (34 defects). In 30 of these the dye flowed into a central cavity in the defect of the pars interarticularis and in 20 it passed into the facet joint below the defect. We found macroscopic cavities in 32 of the defects which communicated with the adjac...
Iron dcxtran (molecular weight 7,000) diffuses rapidly from the joint cavity through the synovium, along lymphatics and cxtraccllular tissuc spaces; articular cartilagc is impermeable to iron dextran. Thcre is also rapid cellular uptake by synovial lining cells, particularly of the vacuolar type; cndoplasmic reticulum-containing lining cells rarely take up iron dextran. Cellular uptake is proba...
Synovial tissues in joints with prostheses display characteristic morphological changes in cases with aseptic failure, particularly macrophage infiltration. Since proliferation of the synovial lining cell layer represents a feature characteristic of autoimmune joint diseases, the possibility of morphological changes of the synovial lining cell layer in periprosthetic tissues was investigated. S...
INTRODUCTION Clavicle fractures are very common, accounting for approximately 4% of all adult fractures. Segmental bipolar fractures involving the lateral and the medial ends of the clavicle are extremely rare, with only isolated cases reported in the literature. The injury mechanism is often unclear and the management of these fractures remains controversial. CASE PRESENTATION Here is to rep...
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