Vessel-element meaning

A dead, elongated cell in the xylem of flowering plants, having perforated end walls through which water flows.
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An elongated, water-conducting cell in xylem, one of the two kinds of tracheary elements. The cells die when mature, leaving only their lignified cell walls. They are stacked one on top of another in long columns, called vessels. Water flows unimpeded from cell to cell along these columns through perforations in the cell walls. Vessel elements are found only in angiosperms.
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(botany) A cell that is linear in form and is responsible for the conduction of water and minerals in the xylem.
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