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
Cell types. Parenchyma cells are living cells that have functions ranging from storage and support to photosynthesis and phloem loading (transfer cells). Apart from the xylem and phloem in their vascular bundles, leaves are composed mainly of parenchyma cells.