Osteoporosis and osteopenia were diagnosed according to ultrasonic bone mineral density below F scores of mean-2 SD and mean1SD, respectively, of the same sex and young adult group. 骨质疏松按跟骨超声骨密度低于同性别正常人均值减两个标准差诊断,骨量减少按跟骨超声骨密度低于同性别正常人均值减1个标准差诊断。
Methods Forty SD rats were divided into young group and adult group, with 20 each. The tissue specificity model was set up. 方法SD大鼠40只,按年龄分成幼年组和成年组,每组20只,建立组织特异性模型。
Methods 30 healthy SD rats were divided into 3 groups : young group, adult group and aged group, 10 rats each group. The pancreas heads, body and tail of each rat were removed to make tissue slice for observation with light microscope. 方法取30只健康SD大鼠,分3组,幼年、青年、老年各10只,每只取胰头、体、尾做组织切片光镜观察。
Methods Sixty healthy Wistar rats were divided into young, adult, middle aged and old group. 方法健康Wistar大鼠60只,依月龄分为青年组、成年组、中年组和老年组。
The onset age, gender, ICVD risk factors, cerebral angiography findings and short-term prognosis of young adult ICVD patients were summarized with patients above 46 years old as control group. 以46岁以上患者为对照组,分析青年型ICVD患者发病年龄、性别、脑血管病危险因素、血管影像学检查和预后特点。