x-linked mental retardation中文什么意思

x连锁智力障碍

• x:    vt. (x-ed, x'd x-i ...
• link:    n. 火把，火炬。
• mental retardation:    智力缺陷，精神薄弱，智力迟钝。

例句与用法

1. Pcr - based analysis method was carried out in the following study . dna amplification by pcr in cgg repeats were performed on 154 people as normal control ( 73 males and 81 females ) and 23 members from four x - linked mental retardation ( xlmr ) families . after electrophoresed on a 6 % - denaturing polyacrylamide gel ( acr : bis = 19 : l ) , genotypes of the objects were determined by analyzing pcr products
   本研究采用较以往更为简便有效的pcr技术方法，对随机抽取的154人的正常群体（男性73人、女性sl人）及来自四个智力低下家系的23名成员进行了fmr基因cgg重复序列的扩增，利用变性聚丙烯酸胺凝胶电泳技术对不同等位基因类型进行分离和统计。
2. Fxs is characterized by x - linked mental retardation with additional features such as a long face with large protruding ears , macroorchidism , and eye - gaze avoidance etc . fxs is associated with a fragile site , designated fraxa ( fragile site , x chromosome , a site ) , at xq27 . 3 near the end of the long arm
   其主要临床特征为智力低下、特殊的外貌特征(包括长脸、大耳廓、下颌突出、巨头、腭弓高、大睾丸等) 、行为及认知障碍、多动、注意力难集中以及孤独、自闭等症状。

百科释义

X-linked mental retardation (also known as X-linked intellectual disability) refers to forms of mental retardation which are specifically associated with X-linked recessive inheritance.