...spiral thickenings of xylem tracheid elements allow...
...tracheid elements allow xylem tissues to collapse...
...of climate on xylem structure and function...
...in Wood (Secondary Xylem) therefore growth rings...
.../ characteristics of xylem cells 35 ©...
...in Wood (Secondary Xylem) (1) during period...
...in Wood (Secondary Xylem) seasonal / annual...
...in abundance/characteristics of xylem cells linked to...
...reduced need for xylem (for water transport),...

...tissue consisting of xylem and phloem made...
...of long-distance transport. Xylem transports water and...
...element cells of xylem may be under...
...solutes move through xylem vessels and sieve...
...elements of the xylem and within the...
...cells of the xylem and phloem help...
...flow through the xylem and phloem. The...
...they enter the xylem of the stele....
...accumulated in the xylem from leaking back...
...shoots through the xylem. Water and minerals...
...into the stele. Xylem sap, the water...
...minerals in the xylem, is transported long...
...the transport of xylem sap can range...
...up from the xylem replaces the water...
...transpiration-cohesion-tension mechanism transports xylem sap against gravity....
...sap against gravity. Xylem sap rises against...
...ions into the xylem. The accumulation of...
...pressure, that pushes xylem sap. Root pressure...
...the ascent of xylem sap. At most,...
...the most part, xylem sap is not...
...length of the xylem to the roots....
...transferred to the xylem because each water...
...the ascent of xylem sap. The transpirational...
...transpirational pull on xylem sap is transmitted...
...a column of xylem sap from above...
...walls of the xylem cells. The upward...
...tension within the xylem. This tension can...
...Transpiration puts the xylem under tension all...
...in the root xylem and pulling water...
...pockets in the xylem vessel, breaks the...
...stress or when xylem sap freezes in...
...channels of the xylem. Root pressure is...
...In trees, a xylem vessel with a...
...new layer of xylem vessels each year....
...youngest, outermost secondary xylem vessels in trees...
...water. The older xylem vessels no longer...
...for the tree. Xylem sap ascends by...
...transpiration-cohesion-tension mechanism transports xylem sap against gravity....
...opposite ends of xylem tissue. The water...
...end of the xylem by evaporation of...
...water through the xylem. Bulk flow, the...
...long-distance transport up xylem vessels, differs from...
...gradient within the xylem is essentially a...
...energy to lift xylem sap up to...
...the ascent of xylem sap is ultimately...
...unidirectional flow of xylem sap from roots...

...roots and shoots. Xylem conveys water and...
...separate strands of xylem and phloem. Both...
...and phloem. Both xylem and phloem are...
...cells of the xylem, and sugar-conducting cells...
...water-conducting elements of xylem, the tracheids and...
...long micropipes or xylem vessels. The ends...
...tissue called secondary xylem and phloem. The...
...vascular cylinder of xylem and phloem. In...
...In eudicot roots, xylem radiates from the...
...arms of the xylem “star.” In monocot...
...surrounded by alternating xylem and phloem. The...
...vascular bundles have xylem facing the pith...
...the mesophyll. The xylem brings water and...
...cambium adds secondary xylem (wood) and secondary...
...layers of secondary xylem to its interior...
...cortex and primary xylem and inside the...
...lobes of primary xylem, and the pericycle....
...cambium, adding secondary xylem to the inside...
...fibers of the xylem. They also produce...
...layer of secondary xylem accumulate, producing the...
...layers of secondary xylem, known as heartwood,...
...continue to transport xylem sap. Because each...
...layer of secondary xylem has a larger...
...growth enables the xylem to transport more...
...sieve-tube elements, and xylem vessel elements, all...