EpidermisDefinition (http://en.wikipedia.org/wiki/Epidermis_%28botany%29) The epidermis is a single-layered group of cells that covers plants' leaves, flowers, roots and stems. It forms a boundary between the plant and the external environment. The epidermis serves several functions, it protects against water loss, regulates gas exchange, secretes metabolic compounds, and (especially in roots) absorbs water and mineral nutrients. (Wikipedia) Preferred Units: N/A Scope Note: N/A This term is used for the following terms: N/A Approved Date 11-Mar-2013 Click here to give feedback on this term or suggest an update. |