Photographic reconstruction of the epidermis, the cortex and the vascular cylinder observed with the objective of 10x. We can see the periderm (yellow), phloem, primary xylem, secondary xylem of the first year, secondary xylem of the second year, xylem medullar rays crossing the thickness of the xylem, expanded phloem medullar rays, cambium, and medullar parenchyma