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Best Answer: here are some...meaning: Cleavage in general refers to a division or separation of form. Its usage is heavily dependent on cultural context, where it may refer to: Cleavage (crystal), in mineralogy and materials science, is a process of splitting a single crystal. Cleavage (geology), Foliation perpendicular to stress as a result of ductile deformation. e.g. shales (shists) Cleavage (embryo), in embryology, is the division of cells in the early embryo. Cleavage (fiber), in optical fibers.
In animal cell, a cleavage is formed first of all in the middle of the cell that has to be divided, the cleavage deepens until it meets the membrane and then eventually cell divides. While in plant cells, a row of vesicles develop during cytokinesis.