Pine stem, light micrograph
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Pine stem, light micrograph
Pine stem. Light micrograph of a section through the stem of a pine (Pinus sp.) tree, showing xylem tissue. The xylem is made up of tracheid cells (light pink). There are thin files of parenchyma and tracheid cells (pale blue and red) of the subsidiary rays, which pass food substances radially. The large circular lacuna (resin duct, centre) is lined with parenchyma cells (light blue and red) that produce resin. The tracheid walls of many cells have bordered pits (green), which pass water and minerals side-ways between cells. Magnification: x132 when printed 10 centimetres wide
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6339565
© DR KEITH WHEELER/SCIENCE PHOTO LIBRARY
Bordered Pit Canal Cell Biology Cytological Cytology Ducts Gymnosperm Gymnosperms Histological Histology Lacuna Lacunae Microscopy Parenchyma Pine Pits Stain Stained Stem Structural Structures Tissue Trunk Vessel Vessels Wood Xylem Tissue Cells Light Micrograph Light Microscope Section Sectioned
EDITORS COMMENTS
This print showcases the intricate structure of a pine stem, captured through a light micrograph. The image reveals the fascinating world of xylem tissue within the stem of a pine tree (Pinus sp. ). The xylem is composed of tracheid cells, which are depicted in a delicate shade of pink. Adjacent to these tracheids, we can observe thin layers of parenchyma and tracheid cells in pale blue and red respectively. These subsidiary rays play an essential role in transporting food substances radially throughout the plant. At the center of this microcosmic universe lies a large circular lacuna or resin duct, lined with parenchyma cells that produce resin. These specialized cells are portrayed in shades of light blue and red. Additionally, one can notice bordered pits represented by green dots on several tracheid walls. These pits enable sideways passage of water and minerals between adjacent cells. With a magnification factor set at x132 when printed 10 centimeters wide, this photograph offers us an extraordinary glimpse into the hidden beauty and complexity present within plant structures. It serves as a testament to both the wonders of nature's design and our ability to explore it through advanced microscopy techniques.
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