Elm stem (Ulmus procera) section, polarised light micrograph. The black horizontal lines are multiseriate rays, which are composed of several rows of cells. The vertical bands comprised of clusters of very small cells (light blue and yellow) are woody fibres, which support the stem. Magnification: x100 when printed 10 centimetres high.
November 14th, 2019
Viewed 2 Times - Last Visitor from Beijing, 22 - China on 02/10/2020 at 12:53 PM