1 Tuberculous pleuritis may occur in some people who have the lung disease from tuberculosis.  The pleural disease occurs from the rupture of a diseased area into the pleural space, the space between the lung and the lining of the chest and abdominal cavities.
The root apical meristem is a region of growth tissue near the tip of each root. The meristematic cells in this region grow in two directions, both backward toward the above-ground shoot and forward toward the tip of the root.
Best Answer: Meristems are tissues within a plant that are undifferentiated-that is, they have no defined identity like being leaf tissue or stem tissue.eristems are the location of growth for plants including the root, base of roots, stems, flowers, and leaves. There are specific names for these types of meristems. For example, root (or shoot or floral) apical meristem and basal meristem. There are two major types of meristems: primary and secondary.