Boy, we just wasted a whole morning, Roy complained over the phone to his middle-aged son. Roys wife had been scheduled for a magnetic resonance imaging (MRI) exam, because her shoulder had been bothering her for months. It had gotten to the point wh

发表于:2018-12-31 / 阅读(64) / 评论(0) 分类 365个英语简短小故事

MRI Sees Brain Atrophy Years Before Alzheimer's Symptoms Memory loss and mental confusion are the first overt signs of Alzheimer's Disease, an incurable and fatal brain ailment. But scientists are starting to find evidence of the disease long before

发表于:2019-01-14 / 阅读(90) / 评论(0) 分类 VOA标准英语2011年(四月)

MRI-like Scan May Help Identify Alzheimer's Alzheimer's disease normally gets a definitive diagnosis only after the patient dies, and an autopsy finds certain distinctive structures in the brain. Recently, though, scientists have been seeking some so

发表于:2019-01-14 / 阅读(78) / 评论(0) 分类 VOA标准英语2011年(八月)

Active MRI Shows How Joints Work 活动核磁共振成像显示身体关节如何运作 Since its introduction in the 1980s, magnetic resonance imaging machines, commonly known as MRI scanners, have become a highly valuable tool in diagnostic medicin

发表于:2019-01-14 / 阅读(74) / 评论(0) 分类 VOA标准英语2014年(三月)