Life Style / Christmas Trees / Xylem: Conducting tissue of plants involved in transport of water and nutrients upward in the tree.
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Science / Biology / Secondary Xylem: Xylem produced by the vascular cambium in a woody plant stem or root; wood. MORE
Science / Biology / Vessel Elements: Short, wide cells arranged end to end, forming a system of tubes in the xylem that moves water and solutes from the roots to the rest of the plant. Large diameter cells of the xylem that are extremely MORE
Science / Biology / Heartwood: Inner rings of xylem that have become clogged with metabolic by-products and no longer transport water; visible as the inner darker areas in the cross section of a tree trunk. MORE
Science / Biology / Tracheids: Long, tapered cells with pitted walls that form a system of tubes in the xylem and carry water and solutes from the roots to the rest of the plant. One type of xylem cells. Tracheids are long and rela MORE