Skip to main content
Select Source:

tracheid

tracheid A type of cell occurring within the xylem of conifers, ferns, and related plants. Tracheids are elongated and their walls are usually extensively thickened by deposits of lignin. Water flows from one tracheid to another through unthickened regions (pits) in the cell walls. Compare vessel element.

Cite this article
Pick a style below, and copy the text for your bibliography.

  • MLA
  • Chicago
  • APA

"tracheid." A Dictionary of Biology. . Encyclopedia.com. 26 Sep. 2017 <http://www.encyclopedia.com>.

"tracheid." A Dictionary of Biology. . Encyclopedia.com. (September 26, 2017). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/tracheid-0

"tracheid." A Dictionary of Biology. . Retrieved September 26, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/tracheid-0

tracheid

tracheid One of the long, cylindrical, tapered cells in a trachea. The cell is dead and the wall has bands of lignin in it which add structural strength. Its function is to form part of the trachea and so to conduct xylem fluids.

Cite this article
Pick a style below, and copy the text for your bibliography.

  • MLA
  • Chicago
  • APA

"tracheid." A Dictionary of Plant Sciences. . Encyclopedia.com. 26 Sep. 2017 <http://www.encyclopedia.com>.

"tracheid." A Dictionary of Plant Sciences. . Encyclopedia.com. (September 26, 2017). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/tracheid

"tracheid." A Dictionary of Plant Sciences. . Retrieved September 26, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/tracheid