Bark is a compilation of dead cells that are gradually sloughed off as the trunk grows in diameter. It is formed by an amazing, thin layer of cells known as the vascular cambium. Outer bark — the part ...

The center of a tree or shrub stem (from roots to trunk, branches, and twigs) is woody, composed of xylem cells that conduct water from the roots to the upper parts of the tree. That woody section is ...

Studies show that tannins extracted from native tree bark can be used to produce adhesives and composite materials. An additional area of application might be 3D printing. Studies conducted by the ...