Meaning of cell theory in English:

cell theory

noun

historical
  • The 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.