cell theory
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noun
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.
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for cell theory
Historical Examples of cell theory
The influence of the cell-theory on morphology was not altogether happy.
Form and FunctionE. S. (Edward Stuart) Russell
The comparison of cells with crystals was made in 1838 by the founders of the cell-theory, Schleiden and Schwann.
The Wonders of LifeErnst Haeckel
Schwann had therefore a good deal of exact knowledge to go upon in discussing the significance of the ovum for the cell-theory.
Form and FunctionE. S. (Edward Stuart) Russell
Another argument against the teleological view is derived from the facts of the cell-theory.
Form and FunctionE. S. (Edward Stuart) Russell
The harmful influence of the cell-theory upon morphology did not pass unnoticed by the broader-minded zoologists of the day.
Form and FunctionE. S. (Edward Stuart) Russell