نتایج جستجو برای: suture pattern
تعداد نتایج: 360470 فیلتر نتایج به سال:
Abstract Avoiding wicking in a suture to recover the wound and avoid infection is critical. In this paper, capillary rise method applied evaluate property of tubular braided structures. Effects braid’s structural parameters, namely braid angle, interlacement pattern, axis, position yarns parallel axis are investigated. The results indicate that with increase height descends has greatest effect ...
purpose: to evaluate the success rate of strabismus surgery with both adjustable and non-adjustable suture technique, moreover,also compared the success rate of these methods regardless of cause, type and amount of deviation is aand history of previous surgery. methods: in this study 296 patients were included (fromduring 2003 to 2011). patients divided in two groups; strabismus surgery with ad...
OBJECTIVE To describe patterns of abnormal development of the metopic suture in association with fetal malformations during the second and third trimesters of pregnancy. METHODS This was a cross-sectional study of the frontal bones and metopic suture in 11 fetuses at 17-32 weeks of gestation. Cases were selected because there were obvious abnormalities in the metopic sutures. In each case, a ...
Cranial suture development involves a complex interaction of genes and tissues derived from neural crest cells (NCC) and paraxial mesoderm. In mice, the posterior frontal (PF) suture closes during the first month of life while other sutures remain patent throughout the life of the animal. Given the unique NCC origin of PF suture complex (analogous to metopic suture in humans), we performed quan...
introduction epithelial rejection typically begins in a linear pattern from the periphery of the graft and progresses centripetally. here in, we reported a patient with a new presentation of corneal epithelial graft rejection. case presentation a 23-year-old man presented with blurred vision two months after penetrating keratoplasty. conclusions slit lamp examination revealed sharply demarcated...
Surgical Indications • Congenital corneal disorders • Corneal dystrophies • Corneal degenerations • Corneal scarring/opacifi cation – Infection – Infl ammation – Trauma • Graft failure • Corneal decompensation – Pseudophakic – Aphakic – Iatrogenic – Dystrophic – Traumatic Surgical Instrumentation • Operating microscope • Microsuturing instruments – Fine-toothed 0.12-mm forceps – Fine-tip needle...
Heterochronic changes in the rate or timing of development underpin many evolutionary transformations. In particular, the onset and rate of bone development have been the focus of many studies across large clades. In contrast, the termination of bone growth, as estimated by suture closure, has been studied far less frequently, although a few recent studies have shown this to represent a variabl...
Background: The sutural bones and fontanelle of the skull display unique morphological characters. Sutural bones are also called supernumerary bones or ossicles or Wormian bones (WB). These are irregular and develop from the independent ossification centers present along the cranial sutures. They appear on periosteal and endosteal surfaces of the skull with variations in size, number, shape, an...
Craniosynostosis is a significant disorder affecting 1 in 2500 live births worldwide. Although a large body of work has focused on dural regulation and the contributions of molecular mediators such as fibroblast growth factor, bone morphogenetic protein, and transforming growth factor β, minimal attention has been directed toward osteoclast function in cranial suture biology. Receptor activator...
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