gray matters
美 [ɡreɪ ˈmætərz]英 [ɡreɪ ˈmætəz]
- 网络灰质;灰色物质
gray matters-
In babyhood , the ADC values in gray matters decreased faster than in white matters ;
婴儿期脑白质ADC值的降低快于灰质；
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To compare with average values of gray density brain tissues of different gestational age infants that the older is gestational age , the higher is the average values of gray density in whit matters of frontal lobe , occipital lobe , thalami .
比较不同胎龄新生儿颅脑各部位超声背景回声的平均灰度值，其结果显示：丘脑基底核、额叶白质、枕叶白质背景回声的平均灰度值随胎龄增加而增高。