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Nernst potentials
Number of balls
Left side:
Extracellular concentrations:
Typical values [mmol/L] for caridac cell:
- Na+= 145
- K+= 4.5
- Cl-= 116
- Ca++= 1
- Na+= 150
- K+= 5
- Cl-= 120
Specific conductances:
Typical values of specific conductances [nS/pF]:
- Na = 0.05
- K = 1
Ionic conductances:
Skeletal muscle cell:
- K/Na= 450
- K/Na = 25.2
- K/Na = 1.65
a
:
b
:
c
Right side:
Intracellular concentrations:
Typical values [mmol/L] for skeletal muscle:
- Na+= 12
- K+= 155
- Cl-= 3.8
- Ca++= 0.0001
- Na+= 15
- K+= 150
- Cl-= 9
- Ca++= 0.0001
- Na+= 19
- K+= 136
- Cl-= 78
- Ca++= 0.0001
- Na+= 10
- K+= 120
- Cl-= 35
Ionic Permeability:
Typical values for permeability coefficients [nm/s]:
- K = 100
- Na= 0.2
Equilibrium potential for Na+ ion: mV
Equilibrium potential for K+ ion: mV
Equilibrium potential for Cl- ion: mV
Equilibrium potential for Ca++ ion: mV
Membrane potential (Ohm model): mV
Membrane potential (GHK model): mV
Nernst potentials:
- Na: mV
- K: mV
- Cl: mV
