Root Hair Straightens Once the Sides Harden (IMAGE)

Kumamoto University

Root Hair Straightens Once the Sides Harden

Caption

The interior pressure of the root hair forces it to extend outward. If the entire exterior of the root hair has uniform hardness, it will swell up like a balloon (left). To prevent this, a hard cell wall develops along the sides of the hair, while the tip remains relatively soft (right).

Credit

Dr. Masahiko Sato

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