Heartwood

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.

Xylem

Science / Biology / Xylem: Tissue in the vascular system of plants that moves water and dissolved nutrients from the roots to the leaves; composed of various cell types including tracheids and vessel elements. Plant tissue type MORE

Prichard

Entertainment / Liquor / Prichard: Prichards Fine Rum is sealed in new, 15-gallon charred oak casks made from the heartwood of the white oak tree MORE

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