纤维束数、单束细胞数、纤维结节数已基本稳定,纤维细胞总数的增长有赖于纤维细胞的侵入生长。
The bands of fiber cells, the number of cells per bands, lodges of fiber cells get a stability, and the increase of the number of fiber cells dependents on the invasion of fiber cells.
结果:孵育第18天,从泄殖腔附近发出的输尿管芽向生后肾组织侵入生长,生后肾组织产生许多生后肾小泡。
Results: At 18th day of incubation, ureteric bud from cloaca grew into metanephrogenic tissue which produced many metanephrogenic vesicles.
相反,草类则生长得非常繁茂,到目前为止,它们已经从森林边缘侵入了长达200米的距离。
Grasses, by contrast, are doing well. So far, they have invaded as far as 200 metres from the edge of the forest.
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