Tinted SEM of Pinus sylvestris wood

Numéro d’image : 11536428
Tinted SEM of Pinus sylvestris wood
False-colour scanning electron micrograph of the wood (secondary xylem) of the Scots pine,Pinus sylvestris,showing both vertical (bottom) & horizontal (top) cut surfaces. The large-celled wood at right is early (spring) growth; the late wood (left) has small,thick-walled cells and is much denser. The vertical tube-like structures seen in both early and late wood are tracheids. In softwoods like pine,these carry out both sap- conducting and mechanical functions; the large early tracheids are primarily concerned with conduction,whereas the much smaller late ones act primarily as structural elements. Magnification: x13 at 35mm size
Licence : Droits gérés
Crédit: Science Photo Library / Burgess, Dr. Jeremy
Taille de l’image : 5043 px × 3537 px
Model Release : Non requis
Property Release : Non requis
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