xylem
Noun
Meaning
That portion of a fibrovascular bundle which has developed, or will develop, into wood cells; -- distinguished from phloem.
Source: Webster's dictionarySynonyms
Antonyms
Phrases with the word
Examples
Additional layers may be formed containing lignin in xylem cell walls, or containing suberin in cork cell walls.
Apart from the xylem and phloem in their vascular bundles, leaves are composed mainly of parenchyma cells.
Defunct tracheids were retained to form a strong, woody stem, produced in most instances by a secondary xylem.
Cowen reduced their price objective on shares of Xylem from $65.00 to $50.00 and set a “market perform” rating for the company in a research report on Thursday, May 7th.
By the formation of a layer of cambium between the bundles (interfascicular cambium), a complete ring is formed, and a regular periodical increase in thickness results from the development of xylem on the inside and phloem on the outside.
Development Patterns of xylem development: xylem in brown; arrows show direction of development from protoxylem to metaxylem.