1·He observed that the axons in his samples ended in the gray matter, and that their endings were consistent with the location of dendrites.
他发现，在他的标本中，轴突最终终止于灰质，并且它们的结合位点与树突的位置相一致。
2·The distinctive, deeply wrinkled outer surface is the cerebral cortex, which consists of gray matter.
独特而深深的由沟回组成的表面是大脑皮层，它组成灰质。
3·Calorie restriction also appeared to slow the loss of gray matter in the brain.
限制热量摄入似乎还可以延缓大脑灰质的损失。
4·In the short walk from Herto to Daka, however, something tangible of our humanness had definitely been stripped away too—notably, several hundred cubic centimeters of gray matter.
虽然达卡距离赫托并不是太远，但我们人性中的某些有形部分已经随着时光的回溯而被剥去了——尤其是大脑中那几百立方厘米的灰质部分。
5·Social Rewards and Gray Matter: Why Are They Linked?
社会奖励与灰质：为什么它们有关？