Science / Biology / Endodermis: A layer of cells surrounding the vascular cylinder of plants.
Science / Biology / Suberin: Waxy, waterproof chemical in some plant cells, notably cork (in stems) and endodermis cells (in roots). MORE
Science / Biology / Casparian Strip: In plants, an impermeable waxy layer between the cells of the endodermis that stops water and solutes from entering the xylem, except by passing through the cytoplasm of adjacent cells. MORE