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Cork cambium is the protective tissue of a stem. What mechanism does it use to protect the stem? Deposits of water in the cork cambium act as a barrier and protect the stem from water loss, physical damage, and invasion of pathogens. Deposits of minerals in the cork cambium act as a barrier and protect the stem from water loss, physical damage, and invasion of pathogens. Deposits of oils or waxes in the cork cambium act as a barrier and protect the stem from water loss, physical damage, and invasion of pathogens.
Â· Secondary growth takes place in the vascular cambium and the cork cambium and results in an increase in the diameter of the stem or trunk of the tree. Cambium lies between the old wood and the bark of the tree. The vascular cambium is a thin layer cells that produces conducting cells-xylem and phloem.Â· The phloem is the outer layer, and is sometimes referred to as the inner bark.It is a food conducting tissue.he definition of wood is secondary xylem, reflected by the origin of the term 'xylem', the Greek word xylon, for wood. Another layer, the cork cambium, contributes to the expanding girth of a tree. The cork cambium is a thin layer cells that ultimately produces the bark of the tree.