In dicot roots the xylem is the tissue at the core (Figure 5.3).    From Wordnik.com.  [5. How plants live and grow] Reference

This tissue is comprised of two types of specialized cells called xylem and phloem.    From Wordnik.com.  [Citizendium, the Citizens' Compendium - Recent changes [en]] Reference

The xylem is the part of the vascular system that carries water and nutrients from the roots to the leaves.    From Wordnik.com.  [5. How plants live and grow] Reference

In nature, trees use water in tubular tissues, called xylem, like ropes that pull more water out of the ground, delivering it to leaves.    From Wordnik.com.  [The Open Piehole] Reference

(AL-jee) Primitive organisms that contain chlorophyll but do not have structures, such as xylem and phloem, to transport fluids.    From Wordnik.com.  [algae] Reference

WHAT: Patrick Renner's exhibit, "xylem," and Jonathan Leach's "Beauty and the Byproduct".    From Wordnik.com.  [The Daily News - News] Reference

The title of the exhibition, "xylem," refers to the water-conducting tissue of vascular or woody plants.    From Wordnik.com.  [The Daily News - News] Reference

Watson and Crick xenotransplantation xylem zoology.    From Wordnik.com.  [21. Life Sciences] Reference

In the smaller bundles the xylem is very much reduced.    From Wordnik.com.  [A Handbook of Some South Indian Grasses] Reference

Wyoming xenophobia xenotransplantation x-ray x-ray xylem.    From Wordnik.com.  [Entry Index: "The Village Blacksmith" to zygote] Reference

Sometimes the fluids in the xylem and phloem are called sap.    From Wordnik.com.  [5. How plants live and grow] Reference

Thus the plant cannot exist without say the xylem or the phloem.    From Wordnik.com.  [On Thursday, the Legg report will be published along with...] Reference

All round the xylem and the phloëm there are many thick-walled cells.    From Wordnik.com.  [A Handbook of Some South Indian Grasses] Reference

Just above the xylem there is a group of large and small thin-walled cells.    From Wordnik.com.  [A Handbook of Some South Indian Grasses] Reference

The arrangement of the xylem and the phloëm is different from that of the stem.    From Wordnik.com.  [A Handbook of Some South Indian Grasses] Reference

With a study of the secondary xylem of Neotropical Lecythidaceae by Carl de Zeeuw.    From Wordnik.com.  [Brazil nut family (Lecythidaceae) in the New World] Reference

He could easily sense the sap moving through xylem as the tree puihped it skyward.    From Wordnik.com.  [Quozl]

"We learn that the tree shots are in reality dead xylem cells shattering in the cold.".    From Wordnik.com.  [Coming of Age as a Bird of Prey] Reference

The red xylem can be observed by cutting 3 cm of the inferior tip (narrow end) of the carrot.    From Wordnik.com.  [2: Vegetables and small fruits in the tropics] Reference

In dicots the phloem is a distinct layer separated from the xylem by a thin layer of cambial tissue.    From Wordnik.com.  [5. How plants live and grow] Reference

In dicots the xylem tissues occur in a discrete layer, which in the stem surrounds the pithy center.    From Wordnik.com.  [5. How plants live and grow] Reference

"We store no such itinerary in our xylem, but we will find a way, sensing a path from tree to tree.".    From Wordnik.com.  [Kingdoms of Light]

The flow of water and minerals from the roots to the layered part continues through the intact xylem.    From Wordnik.com.  [5. How plants live and grow] Reference

Now what are the chances of another yet to be beneficial mutation developing into the xylem - buckleys.    From Wordnik.com.  [On Thursday, the Legg report will be published along with...] Reference

The larger vascular bundles consist of xylem and phloëm surrounded by a bundle sheath of a single layer of cells.    From Wordnik.com.  [A Handbook of Some South Indian Grasses] Reference

The larger bundles are normal in every way, while in the smaller ones the xylem elements are considerably reduced.    From Wordnik.com.  [A Handbook of Some South Indian Grasses] Reference

In monocots the phloem and xylem tissues are grouped together in vascular bundles running vertically through the plant.    From Wordnik.com.  [5. How plants live and grow] Reference

These vessels together with the numerous small thick-walled cells lying between the pitted vessels constitute the xylem.    From Wordnik.com.  [A Handbook of Some South Indian Grasses] Reference

Of course, I think, as far as short sticks go, this is just a fragment of bark with a few shreds of xylem clinging weakly to it.    From Wordnik.com.  [How to Make Your Twins Hate You] Reference

The number of xylem groups is fairly large and the development of the xylem is from the pericycle towards the centre of the stele.    From Wordnik.com.  [A Handbook of Some South Indian Grasses] Reference

Root and stem xylem embolism, stomatal conductance, and leaf turgor in Acer grandidentatum populations along a soil moisture gradient.    From Wordnik.com.  [Survivorship Bias « Climate Audit] Reference

In ferns and conifers, the xylem only contains tracheid.    From Wordnik.com.  [CreationWiki - Recent changes [en]] Reference

Nothofagus: an analysis of xylem sap flow and eddy correlation measurements.    From Wordnik.com.  [New Content on CO2 Science] Reference

Counting how many xylem rings there are allows you to tell how old the tree is.    From Wordnik.com.  [CreationWiki - Recent changes [en]] Reference

Demonstrating how plants take up water and minerals from their roots through xylem.    From Wordnik.com.  [Livescience.com] Reference

As xylem ages it forms new hardwood, or a new ring on the outside of the wood portion of the trunk.    From Wordnik.com.  [Corpus Christi Caller Times Stories] Reference