Pine Stem #17
by Dr Keith Wheeler/science Photo Library
Title
Pine Stem #17
Artist
Dr Keith Wheeler/science Photo Library
Medium
Photograph - Photograph
Description
Pine stem. Polarised light micrograph of a section through a single annual growth ring in the stem of a pine (Pinus sp.) tree, showing large thin-walled tracheid cells (yellow) of younger spring wood and smaller thick-walled tracheid cells (bright yellow) of older autumn wood. The large circular lacuna (resin duct, upper left) is lined with parenchyma cells. Magnification: x32 when printed 10 centimetres wide.
Uploaded
August 4th, 2020
Embed
Share
Comments
There are no comments for Pine Stem #17. Click here to post the first comment.