Table 1 List of state variables
Symbol | Unit | Description |
|---|---|---|
x | μm | Space coordinate |
t | s | Time coordinate |
\(\dot {\epsilon }_{i}(t)\) | s−1 | Growth rate of cell i |
C(x,t) | Unitless | Concentration profile (only for a diffusive signal) |
C i (t) | Unitless | Average concentration of signal in cell i |
λ | μm | Characteristic length of an exponential profile, i.e. the extent of the profile |
L(t) | μm | Total length of the cell file |
L i (t) | μm | Size of cell i |
N(t) | Unitless | Total number of cells in the file |
n C (t) | Unitless | Number of cells in the cambial zone |
n E (t) | Unitless | Number of cells in the enlargement zone |
n T,M (t) | Unitless | Number of cells in the wall thickening and mature zones |