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. 2020 Jan 15;15:2. doi: 10.1186/s13062-019-0256-7

Table 4.

Values of rate and effect parameters

Symbol Value Unit Explanation
c0 0.08 Relative glucose content in the DMI
c1 0.08 Fraction of directly absorbable glucose
c2 84211 mU/(L ·d) Rate constant for insulin secretion
c3 2105 1/d Rate constant for insulin degradation
c4 70182 ng/(L ·d) Rate constant for glucagon secretion
c5 350.87 1/d Rate constant for glucagon degradation
c6 50 (g ·L)/(mU ·d) Rate constant for glucose absorption from blood into liver cells
c7 180 L/(mU ·d) Rate constant for glycogenesis
c8 0.22683 L/(mU ·d) Rate constant for lipogenesis
c9 1350 (g ·L)/(ng ·d) Rate constant for glycogenolysis
c10 3.5272 (g ·L)/(ng ·d) Rate constant for gluconeogenesis
c11 0.0684 L/(ng ·d) Rate constant for glucose release from the liver to the blood
c12 1000 g/d Glucose usage for maintenance
c13 72 g/kg Glucose usage for milk production
c14 5 1/d Glucose usage for liver metabolism
c17 0.4 [IGF]/d Basal IGF-1 synthesis rate in the blood
c18 1 [IGF]/d P4- and insulin-regulated IGF-1 synthesis rate
c19 1.7 1/d IGF-1 clearance rate
c20 3.49 1/d Maximum effect of LH on follicular function
c21 1 [LH] Maximum threshold of LH to stimulate follicular function
c22 3 Maximum effect of insulin on FSH synthesis in the pituitary
c23 1.05 Maximum effect of insulin on LH synthesis in the pituitary
c24 1.5 [Oxy]/d Maximum rate of additional oxytocin synthesis during lactation
c25 0.0007 1/d2 Clearance of additional oxytocin during lactation
V 22.8 L Extracellular volume of blood