نتایج جستجو برای: bone quality
تعداد نتایج: 1046748 فیلتر نتایج به سال:
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The bone size and quality, acquired during adolescent growth under the influence of anabolic hormones, growth factors, and nutrients, determine the height and bone stability and forecast osteoporosis risks in late life. Yet bone size and quality control mechanisms remain enigmatic. To study the roles of mammalian target of rapamycin (mTOR) signaling, sensor of growth factors and nutrients, in b...
Introduction: Osteoporosis and fractures resulting from it, along with increased pain, disability, decreased Quality of Life (QoL) and death, is an important health issue worldwide. Objective: The purpose of this study was to determine the quality of life in patients with osteoporosis referring to Fasa Bone Density Test Center, compared to the healthy people. Materials and Methods: This was...
Introduction: Osteoporosis is humans' most common bone tissue disease that causes bone fractures. Based on the evidence, a combination of genetic and environmental factors, hormonal disorders such as estrogen deficiency, malnutrition, inflammatory factors, drugs, and physical inactivity are related to the pathogenesis of this disease. The present study aimed to review the effects of androgens a...
INTRODUCTION Very little is known about prenatal growth and development of trabecular micro-architecture [1-4]. Yet the quantity and quality of fetal bone laid down in early life is thought to have a significant impact on adult bone quality and senescent bone disease [5]. Understanding the mechanisms determining fetal bone growth may give insights into those factors determining bone quality in ...
the effect of high voltage, high frequency pulsed electromagnetic field on slain ovine cortical bone
background: this study is the first research investigating the possible effect of pulsed power signals on the characteristics of cortical bone by comparing the mechanical properties of this type of bone pre and post expose to pulsed power. methods: a positive buck-boost converter was applied to generate adjustable high voltage, high frequency pulses (up to 500 v and 10 khz). the functional beha...
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