Anatomy

Xylem

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.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

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.

MeSH Record

Classification

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MeSH Record

Synonyms

1 entry terms
  • Xylems

MeSH Record

Aspects Covered

20 allowable subheadings

Indexed with the subheadings adverse effects, anatomy & histology, chemistry, classification, cytology, drug effects, embryology, enzymology, genetics, growth & development, immunology, metabolism, microbiology, parasitology, physiology, poisoning, radiation effects, toxicity, ultrastructure, virology.

MeSH Record

History Note

2007

MeSH Hierarchy

Tree Number

  1. A18.450w.500w

AMA Style

References

  1. National Library of Medicine. Xylem. Medical Subject Headings (MeSH). 2026. Unique ID D052584. http://id.nlm.nih.gov/mesh/2026/D052584
  2. Xylem. In: Wikipedia. https://en.wikipedia.org/wiki/Xylem
  3. Xylem. In: Wikidata. https://www.wikidata.org/wiki/Q122811