Cell theory definition, 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. See more. read more
Define cell theory. cell theory synonyms, cell theory pronunciation, cell theory translation, English dictionary definition of cell theory. n. the tenet in biology that cells are the basic units of structure and function in living organisms. read more
Cell theory definition is - 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. read more
Cell Theory: A Definition A theory in the science world is an idea supported by many tests that have been repeated over and over to prove the same result. In this case, cell theory is a collection of ideas and conclusions from many different scientists over time that describes cells and how cells operate. read more