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Article: Electrophysiological characteristics of vasomotor preganglionic neurons and related neurons in the thoracic spinal cord of the rat: an intracellular study in vivo.

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Lewis DI; Coote JH
Neuroscience, 2008


Table 1Comparison of passive membrane properties of identified sympathetic preganglionic neurons, with cardiac-modulated and non-cardiac-modulated interneurons recorded in their vicinity
Sympathetic preganglionic neuronsInterneurons
ModulatedNon-modulated
Number of neurons221862
Resting membrane potential−56.8±2.2mV(−42to−70mV)−63.8±1.2mV(−55to−73mV)−61.0±1.0mV(−40to−80mV)
Cell input resistance56.8±8.1MΩ(26–98MΩ)28.8±3.9MΩ(9.6–48MΩ)26.3±2.1MΩ(10–62MΩ)
Depth of location752±33μm(500–960μm)736±46μm(360–960μm)713±26μm(335–1100μm)
Action potential amplitude53.5±2.3mV(39–72mV)56.6±2.6mV(45–82mV)54.2±1.6mV(38–80mV)
Action potential duration8.98±0.6ms(4.2–13ms)1.86±0.2ms(1.0–3.0ms)1.83±0.1ms(0.7–4.2ms)
Threshold amplitude5.6±0.6mV(2.6–7.9mV)4.67±0.3mV(3.3–7.0mV)4.62±0.3mV(1.3–7.0mV)
Threshold duration11.0±2.1ms(4.8–27ms)6.22±1.1ms(2.0–14ms)6.40±0.7ms(1.5–13ms)
Afterhyperpolarization amplitude7.6±0.6mV(4.6–12mV)9.18±0.9mV(5.2–17mV)6.66±0.5mV(0.4–16mV)
Afterhyperpolarization duration164±27ms(39–420ms)61.7±20ms(4.4–220ms)44.4±6.6ms(8.7–150ms)
Afterdepolarization amplitude—(3.3–8.6mV,n=6)5.76±0.8mV(2.0–8.6mV,n=15)3.87±0.4mV
Afterdepolarization duration—(8.4–31ms,n=6)14.9±3.3ms(3.2–19ms,n=15)10.8±1.1ms

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Inferred neuron-electrophysiology data values

Neuron Type Neuron Description Ephys Prop Extracted Value Standardized Value Content Source
Spinal cord intermediate horn motor neuron sympathetic Vasomotor sympathetic preganglionic neurons resting membrane potential -56.8 ± 2.2 -56.8 (mV) Data Table
Spinal cord intermediate horn motor neuron sympathetic Vasomotor sympathetic preganglionic neurons input resistance 56.8 ± 8.1 56.8 (MΩ) Data Table
Spinal cord intermediate horn motor neuron sympathetic Vasomotor sympathetic preganglionic neurons spike amplitude 53.5 ± 2.3 53.5 (mV) Data Table
Spinal cord intermediate horn motor neuron sympathetic Vasomotor sympathetic preganglionic neurons spike width 8.98 ± 0.6 8.98 (ms) Data Table
Spinal cord intermediate horn motor neuron sympathetic Vasomotor sympathetic preganglionic neurons spike threshold 5.6 ± 0.6 -5.6 (mV) Data Table
Spinal cord intermediate horn motor neuron sympathetic Vasomotor sympathetic preganglionic neurons AHP amplitude 7.6 ± 0.6 7.6 (mV) Data Table
Spinal cord intermediate horn motor neuron sympathetic Vasomotor sympathetic preganglionic neurons AHP duration 164.0 ± 27.0 164.0 (ms) Data Table
Spinal cord intermediate horn motor neuron sympathetic Vasomotor sympathetic preganglionic neurons ADP amplitude 3.3 3.3 (mV) Data Table
Spinal cord intermediate horn motor neuron sympathetic Vasomotor sympathetic preganglionic neurons ADP duration 8.4 8.4 (ms) Data Table