根毛の側面が硬いことで根毛はまっすぐ伸びる (IMAGE)

Kumamoto University

根毛の側面が硬いことで根毛はまっすぐ伸びる

Caption

根毛は、膨圧という内部からの圧力のはたらきなどにより伸長するが、根毛の硬さが一様だと、風船上に膨らんでしまう。これを防ぐために、根毛の側面には、硬い細胞壁が作られる。

Credit

Dr. Masahiko Sato

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