- a basic tenet of modern biology, first stated by Matthias Schleiden and Theodor Schwann in 1838–39, that cells are the basic units of structure and function in living organisms.
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Examples from the Web for cell theory
The influence of the cell-theory on morphology was not altogether happy.
The comparison of cells with crystals was made in 1838 by the founders of the cell-theory, Schleiden and Schwann.The Wonders of Life
Another argument against the teleological view is derived from the facts of the cell-theory.
Schwann had therefore a good deal of exact knowledge to go upon in discussing the significance of the ovum for the cell-theory.
The harmful influence of the cell-theory upon morphology did not pass unnoticed by the broader-minded zoologists of the day.