细胞外被
xì bāo wài bèi
- outer coat
细胞外被-
细胞外被两层不同类型的圆形鳞片，都具十字形中央。
Both scale types are circular and have a central pore with a crisscross .
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细胞外被细胞壁，其合点端及侧方与助细胞共同壁不连续。
The cell wall surrounds the cell , but its chalzal ends and the lateral wall with synergid is discontinuous .
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这些蛋白被认为参与了一些重要的细胞信号转导和代谢通路，并且这些信号转导和代谢通路与细胞的表面识别和细胞外被的降解有关。
These proteins were thought to be associated with several important cell signaling or metabolic pathways during the cell surface recognition and extracellular glycocalyx destruction .