introduction
A lysosome is a structure inside an animal cell which breaks down materials into compounds which can be used or discarded by the cell, as needed. Lysosomes also play other important roles in cell upkeep, ranging from consuming worn-out structures within the cell to attacking foreign bacteria before it has a chance to penetrate the cells. With a powerful microscope, it is possible to see lysosomes within the cell; these structures are typically spherical in shape.
Link:
cell
Link:
cell