n. in biology, refers to the scientific study which proposes that cells are the basic unit of structure making up all living organisms. First proposed for plants by German botanist Matthias Schleiden (1804-1881) and for animals by German physiologist Theodor Schwann (1810-1882).

CELL THEORY: "Cell theory refers to the principle which states that all living things consist of one (unicellular) or more cells (multicellular)."
Cite this page: N., Pam M.S., "CELL THEORY," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/cell-theory/ (accessed April 18, 2021).