Concept information
Preferred term
Xylem
Type
-
Topical Descriptor
Broader concept
Narrower concepts
Scope note
- Plant tissue that carries water up the root and stem. Xylem cell walls derive most of their strength from LIGNIN. The vessels are similar to PHLOEM sieve tubes but lack companion cells and do not have perforated sides and pores.
History note
- 2007
URI
http://www.yso.fi/onto/mesh/D052584
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