This page provides all possible meanings and translations of the word dither. dither, pother, fuss, tizzy, flap(verb) an excited state of agitation. he was in a dither; there was a terrible flap about the theft.
Parenchyma: The key elements of an organ essential to its functioning, as distinct from the capsule that encompasses it and other supporting structures. The parenchyma is thus opposed to the connective tissue framework, or stroma, of an organ.
Metatracheal (or apotracheal) parenchyma is axial parenchyma independent of the pores or vessels and is a morphological character that distinguishes some birches and alders (partially diffuse xylem parenchyma) from their relatives such as oaks and chestnut trees (exclusively metatracheal parenchyma).