xylem bundle
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Xylem — Multiple cross sections of a flowering plant stem showing primary and secondary xylem and phloem[1] Xylem is one of the two types of transport tissue in vascular plants. (Phloem is the other). The word xylem is derived from the Classical Greek… … Wikipedia
Xylem — Xy lem, n. [Gr. xy lon wood.] (Bot.) That portion of a fibrovascular bundle which has developed, or will develop, into wood cells; distinguished from phlo[ e]m. [1913 Webster] … The Collaborative International Dictionary of English
xylem — /ˈzaɪləm / (say zuyluhm) noun the woody tissue that is the mechanical supporting portion of a vascular bundle, consisting of tracheids and immediately associated cells. See phloem. {xyl + em (from Greek ēma noun suffix) …
Vascular bundle — A vascular bundle is a part of the transport system in vascular plants. The transport itself happens in vascular tissue, which exists in two forms: xylem and phloem. Both these tissues are present in a vascular bundle, which in addition will… … Wikipedia
concentric bundle — noun : a plant vascular bundle in which (1) phloem surrounds xylem or (2) xylem surrounds phloem called also respectively (1) amphicribral bundle, (2) amphivasal bundle … Useful english dictionary
fibrovascular bundle — noun a unit strand of the vascular system in stems and leaves of higher plants consisting essentially of xylem and phloem • Syn: ↑vascular bundle, ↑vascular strand • Hypernyms: ↑vascular tissue • Hyponyms: ↑vein, ↑nervure … Useful english dictionary
Cortical bundle — The transport of water and nutrients through the voluminous cortex of the cactus is possible because of the presence of a vascular system exclusive to cacti, the cortical bundle. The cortical bundle emerges radially from the xylem and produces… … Wikipedia
vascular bundle — A strand of tissue containing primary xylem and primary phloem (and procambium if present) and frequently enclosed by a bundle sheath of parenchyma or fibres … Glossary of Biotechnology
vascular bundle — n. Bot. an isolated unit of the conducting system of vascular plants, consisting of xylem and phloem, frequently with other interspersed cells or a sheath of thick walled cells … English World dictionary
vascular bundle — noun a unit strand of the vascular system in stems and leaves of higher plants consisting essentially of xylem and phloem • Syn: ↑vascular strand, ↑fibrovascular bundle • Hypernyms: ↑vascular tissue • Hyponyms: ↑vein, ↑nervure … Useful english dictionary
vascular bundle — noun Date: 1842 a strand of specialized vascular tissue of higher plants consisting mostly of xylem and phloem … New Collegiate Dictionary
