STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY
Xylem tissue. Coloured scanning electron micrograph (SEM) of a section through xylem tissue from a dicotyledon rootlet. Xylem vessels (purple) transport water and mineral nutrients from the roots throughout the plant. Its thick lignin walls also provide structural support. Surrounding the vessels are parenchyma cells. Magnification: x400 when printed 10 centimetres wide.
Model release not required. Property release not required.