نتایج جستجو برای: trabecular maturity

تعداد نتایج: 35815  

تنیده , نادر, جولازاده , طلا, حکمت , فرزانه, دبیدی روشن , ولی اله,

Background and purpose: Osteoporotic fractures are much more common in older post-menopausal women and account for significant morbidity and mortality. Although age is an independent risk factor for fractures, bone micro-architecture is the predictor of subsequent fractures. Adequate calcium and Weight-bearing exercise are known to affect skeletal development, however, the effects of calcium su...

2017
Marie Pereira Stephanie Gohin Jean-Paul Roux Amy Fisher Mark E. Cleasby Guillaume Mabilleau Chantal Chenu

Type 2 diabetes mellitus (T2DM) is associated with skeletal complications, including an increased risk of fractures. Reduced blood supply and bone strength may contribute to this skeletal fragility. We hypothesized that long-term administration of Exenatide, a glucagon-like peptide-1 receptor agonist, would improve bone architecture and strength of T2DM mice by increasing blood flow to bone, th...

A R Mehdizadeh F Tajeripour L Khojastepour M Ghasemi M Hasani

Background: Osteoporosis is a systemic skeletal disease characterized by low bone mineral density (BMD) and micro-architectural deterioration of bone tissue, leading to bone fragility and increased fracture risk. Since Panoramic image is a feasible and relatively routine imaging technique in dentistry; it could provide an opportunistic chance for screening osteoporosis. In this regard, numerous...

A. Rassouli, F. Asadi M. Rezaian T. Shomali

This study was conducted to investigate the correlation between lipid-lowering and bone-protective effects of eicosapentaenoic acid on steroid-induced bonechanges in rats. Twenty-one male 10-week-old Wistar rats were divided into 3 groups (n = 7 each) and treated with 0.9% NaCl SC (group 1) or methylprednisolone 7 mg/kg SC once a week (group 2) or methylprednisolone 7 mg/kg SC once a week + eic...

Journal: :iranian journal of radiation research 0
y. yang college of veterinary medicine, chonnam national university, gwangju, republic of korea h.j. lee korea institute of radiological & medical science, seoul, republic of korea h. jang college of veterinary medicine, chonnam national university, gwangju, republic of korea j.h. lee ministry of food and drug safety, osong, republic of korea c. moon college of veterinary medicine, chonnam national university, gwangju, republic of korea j.c. kim college of veterinary medicine, chonnam national university, gwangju, republic of korea

background: the trabecular bone changes in the tibia of c3h/hen mice were measured 12 weeks after whole body irradiation with various doses of fast neutrons (0-2.4 gy) or 137cs-generated gamma-rays (0-6 gy). materials and methods: serum calcium, phosphorus, estradiol concentration and alkaline phosphatase activity were measured. tibiae were analyzed using microcomputed tomography. biomechanical...

Journal: :Journal of musculoskeletal & neuronal interactions 2009
J N Dowthwaite T A Scerpella

This review addresses bone geometry and indices of skeletal strength associated with exposure to gymnastic loading during growth. A brief background characterizes artistic gymnastics as a mechanical loading model and outlines densitometric techniques, skeletal outcomes and challenges in assessment of skeletal adaptation. The literature on bone geometric adaptation to gymnastic loading is sparse...

Eskandar Kamali-Sarvestani, Mohammad Reza Razeghinejad

Background: Glaucoma is one of the most common causes of blindness and is usually associated with elevated intraocular pressure. In patients with primary open angle glau-coma the number of trabecular meshwork cells is decreased. Death of the trabecular meshwork cells may be a result of apoptosis. Objective: To investigate the aqueous humor levels of soluble Fas (sFas) and Fas-Ligand (sFasL) in ...

2010
Ian H. Parkinson Danielle Forbes Peter Sutton-Smith Nicola L. Fazzalari

High-resolution micro computed tomography has enabled measurement of bone architecture derived from 3D representations of cancellous bone. Twenty-eight vertebral bodies were obtained from four embalmed male cadavers. From 3D anaglyphs, trabecular rod thickness and length were measured and the trabecular rod Buckling index was calculated. From 3D voxel-based datasets, bone volume density, trabec...

Journal: :journal of dentistry, tehran university of medical sciences 0
m. paknejad associate professor, department of periodontology, school of dentistry, tehran university of medical ar. rokn associate professor, dental research center, tehran university of medical sciences, tehran, iran b. eslami associate professor, department of oral and maxillofacial pathology, dental school of shahid behesht r. afzalifar dentist, dental research center, tehran university of medical sciences, tehran, iran a. safiri periodontist, private practice

objective: the aim of present study was to evaluate the quality, density and thickness of newly formed bone in experimental defects treated with combi-pack®, bio-oss® and biostite®. materials and methods: eight new zealand white rabbits were included in this randomized,blinded study. four equal 3×6 mm bone defects were created on the frontal and parietal bones of each animal and three were imme...

Journal: :Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research 2008
X Sherry Liu Paul Sajda Punam K Saha Felix W Wehrli Grant Bevill Tony M Keaveny X Edward Guo

UNLABELLED Trabecular plates and rods are important microarchitectural features in determining mechanical properties of trabecular bone. A complete volumetric decomposition of individual trabecular plates and rods was used to assess the orientation and morphology of 71 human trabecular bone samples. The ITS-based morphological analyses better characterize microarchitecture and help predict anis...

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