Root cap of wheat

Root cap of wheat

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Caption: Scanning electron micrograph of the root cap of wheat, Triticum vulgare. The root cap produces a slimy mucus which lubricatres the passage of the root through the soil. The cells that produce the slime are continually sloughed off, a mechanism that enables the constant renewal of the protect- ive layer for the tip. In this micrograph, cells at the root tip are firmly embedded in slime, while futher back loose cells are shed. The cells in the root cap divide rapidly, because of the need to contantly renew those lost at its surface. Roots anchor a plant in the soil & extract water for growth. Magnification: x20 at 35mm size, x150 at 8x10-inch size. Reference: MICROCOSMOS, figure 4.3, page 68.

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Keywords: botany, cap, longitudinal, nature, plant, plants, root, root cap, roots, scanning electron micrograph, sem, triticum vulgare, wheat

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