Table 2 Initial values

G₁(0)

958000

number of cells in G₁‐phase

S(0)

14000

number of cells in S‐phase

G₂/M(0)

28000

number of cells in G₂/M‐phase

G(0)

200$\frac{\text{mg}}{100\text{ml}}$

blood glucose concentration

I(0)

0.01$\frac{\text{mg}}{100\text{ml}}$

blood insulin concentration

X₁(0)

0.0012 mg

releasable amount of insulin

X₂(0)

0.0005 mg

non‐releasable amount of insulin

P(0)

0

provision of insulin