In the case of a post frame (or pole) building, wainscot has moved to the exterior of the building. In simple terms, it is the utilization of an alternate siding panel to cover the lower approximately three feet of the exterior walls.
Definition of parenchyma 1: the essential and distinctive tissue of an organ or an abnormal growth as distinguished from its supportive framework 2: a tissue of higher plants that consists of thin-walled living photosynthetic or storage cells capable of division even when mature and that makes up much of the substance of leaves and roots, the pulp of fruits, and parts of stems and supporting structures
1 Parenchyma tissues are made of simple, thin-walled cells. 2  In a carrot, for example, the parenchyma cells become a storage unit called the cortex. 3  In leaves, a layer of parenchyma tissues under the epidermis is active in photosynthesis. Epidermis is the single exterior layer that protects the stems, leaves, flowers, and roots. 2  The outside surface of the epidermis tissue is usually covered with a waxy substance called cutin, which reduces water loss. 3  Parenchyma tissues are made of simple, thin-walled cells.