造骨细胞是骨骼构造的“领班”，而且它们似乎受骨骼中毛细管道里液体流动的影响。
The osteoblasts are the foremen of bone construction, and they appear to respond to the flow of fluid in the tiny channels within bone.
造影剂在毛细管道中的集聚是可以忽略的，因而在动脉相后也会发生造影剂的快速消退，在2分钟后胰腺与相邻的肝脏相比呈现出相对的低回声改变。
Accumulation in the capillaries is negligible, thus the washout also occurs rapidly after the arterial phase, giving the pancreas a darkened appearance in contrast to the adjacent liver after 2 min.
一种有很短直径的管道；通过毛细管作用来盛液体。
A tube of small internal diameter; holds liquid by capillary action.
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