1. (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; [syn: cell theory, cell doctrine]
WordNet (r) 3.0 (2006):
cell doctrine
n 1: (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 [syn: cell theory, cell doctrine]