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.
All leaves, height growth. and increases in the length of branches and roots are. the result of growth at the apical meristems. Here. one or more leaves are produced at a region called a. node, followed by a section of stem that is called the. internode. For most species, the number of leaves produced.