MS is a chronic illness involving the central nervous system. The immune system attacks myelin, which is the protective layer around nerve fibers. This causes inflammation and scar tissue, or lesions. This can make it hard for your brain to send signals to the rest of your body.
The parts of the plant cell are as follows: Plants cell constitute of membrane bound nucleus and many cellular structures. These organelles carry out funct ions that are necessary for the proper functioning and survival of the cell. The cell orga nelles of the plant are enclosed by a cell wall and cell membrane.
Plant cells are of three basic types namely, parenchyma, collenchyma and sclerenchyma. These cells have different structures and perform varied roles in the overall functioning of the plant. The following is a brief description of functions of these three plant cells: