In front, the long thin cellular protrusion of the neuron extends, pauses, then drags the bulbous cell body behind it, then extends again, and so on.
前端，又细又长的神经元伸展的细胞突出停止，然后拖动后边的球状细胞，然后再次伸展，如此反复。
2
Fluid shear is the mechanical force exerted by the movement of fluids over cell surfaces and has been found to play an important role in cellular differentiation, development and function.