Aplant leaf is constructed from a variety of cell types with specialized structures and functions. many of the properties of leaf cells facilitate some aspect of water transport.

The apoplast andsymplast are tworegions of the plantthat serve as pathwaysfor water and solutetransport over bothshort and longdistances. Thesepathways arerepresented by thearrows in the diagrambelow, which showsthree adjacent cells in a leaf or root.