heartwood defined in 1951 year

heartwood - heartwood;
heartwood - Central mass of xylem tissue in trunks of trees, with no living cells (such as xylem parenchyma and medullary ray) and no longer functioning in water conduction but only for mechanical support; with its elements frequently blocked by tyloses and often dark-coloured, e.g. oak, ebony, impregnated with various substances (tannins, resins, etc.) that render it more resistant to decay than surrounding sapwood.

near heartwood in Knolik

heart of the earthhome
letter "H"
start from "HE"

definition of word "heartwood" was readed 982 times

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