What is a method of cell formation in which the entire protoplasm of an old cell escapes by rupture of the cell wall, and then develops a new cell wall. It is seen sometimes in the formation of zo called?

rejuvenescence — (Bot.) A method of cell formation in which the entire protoplasm of an old cell escapes by rupture of the cell wall, and then develops a new cell wall. It is seen sometimes in the formation of zo. (Webster's 1913.)

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