cell theory

noun

Definition of cell theory 

: a theory in biology that includes one or both of the statements that the cell is the fundamental structural and functional unit of living matter and that the organism is composed of autonomous cells with its properties being the sum of those of its cells

Examples of cell theory in a Sentence

Recent Examples on the Web

Interested in research more than treatment, Cajal turned to histology, or cell theory, a discipline that had flowered since the introduction of powerful microscopes in the 1830s. Cate Mcquaid, BostonGlobe.com, "A different sort of scan in ‘The Beautiful Brain’," 6 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cell theory.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of cell theory

1843, in the meaning defined above

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The first known use of cell theory was in 1843

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More Definitions for cell theory

cell theory

noun

Medical Definition of cell theory 

: a theory in biology that includes one or both of the statements that the cell is the fundamental structural and functional unit of living matter and that the organism is composed of autonomous cells with its properties being the sum of those of its cells

More from Merriam-Webster on cell theory

Britannica.com: Encyclopedia article about cell theory

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