cathode-degenerated stage 阴极负反馈级
The incidence rate of changes of spinal signal and its degenerated severity at intervertebral disc protrusion plus spinal cord lesion stage was 100.0%.
脊髓信号的改变及其变性程度在椎间盘脱出合并脊髓损害的出现率为100.0%。
The suspensor is developed fully at the stage of globular embryo and consists of 3 cells, which are degenerated later.
胚柄在球形胚时期最发达，但胚柄短小，只由3个扁平细胞组成，之后逐渐退化。
The tapetal cells degenerated at microspore stage and its cytoplasm transform into lipids for the microspore absorbing.
最内层的绒毡层细胞在小孢子时期开始解体，细胞质转变为脂滴，供花粉吸收。
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