Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
Related to cell theory: cell membrane
the tenet in biology that cells are the basic units of structure and function in living organisms.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
Switch to new thesaurus
|Noun||1.||cell theory - (biology) the theory that cells form the fundamental structural and functional units of all living organisms; proposed in 1838 by Matthias Schleiden and by Theodor Schwann|
scientific theory - a theory that explains scientific observations; "scientific theories must be falsifiable"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.