Meaning of cell theory in English:
cell theory
noun
historicalThe theory that cells are the fundamental structural and functional units of life, sufficient to constitute a single-celled organism and serving as the working units of every multicellular organism.
The cell theory is usually attributed to the work of Schwann and Schleiden.
Origin
Mid 19th century; earliest use found in The Lancet. After German Theorie der Zellen.
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