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Article: Properties of urethral rhabdosphincter motoneurons and their regulation by noradrenaline.

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Yashiro K; Thor KB; Burgard EC
J. Physiol. (Lond.), 2010


Table 1- From Figure 1: DLN motoneurons are more excitable than other spinal alpha-motoneurons
DLN (n = 26) VN (n = 13) RDLN (n = 13)
Resting membrane potential (mV) -71.640 -75.20 -79.32
Input resistance (MOhm) 259.360 135.87 143.88
AP threshold (mV) -49.220 -49.11 -49.20
Rheobase (nA) 0.079 0.56 0.59
F-I slope (Hz/nA) 104.640 38.18 33.96
A, left panel, DiI fluorescence image of a L6 spinal cord slice from a P9 female rat, which received a bilateral DiI injection into the ischiorectal fossa a few days before the dissection. Right panel, near IR-DIC image of a cluster of DLN motoneurons. B, representative current-clamp recordings from DLN, VN and RDLN motoneurons. Injected current traces are shown below. C, resting membrane potentials of the motoneurons.D, input resistances of the motoneurons. E, firing thresholds of the motoneurons. F, rheobase of the motoneurons. G, firing frequency-current (f-I) relationships of the motoneurons. H, scatter plot of resting membrane potentials as a function of rheobase of individual DLN, VN and RDLN motoneurons. I, scatter plot of input resistance as a function of rheobase of individual DLN, VN and RDLN motoneurons. DLN = 26 cells/4 animals, VN = 13 cells/6 animals, RDLN = 13 cells/5 animals. ***P

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Inferred neuron-electrophysiology data values

Neuron Type Neuron Description Ephys Prop Extracted Value Standardized Value Content Source
Spinal cord ventral horn motor neuron alpha spinal cord dorsolateral nucleus motoneuron spike threshold (mV) -49.22 (26) -49.22 (mV) Data Table
Spinal cord ventral horn motor neuron alpha spinal cord ventral nucleus motoneuron spike threshold (mV) -49.11 (13) -49.11 (mV) Data Table
Spinal cord ventral horn motor neuron alpha spinal cord lumbar hind limb alpha motoneuron spike threshold (mV) -49.2 (13) -49.2 (mV) Data Table
Spinal cord ventral horn motor neuron alpha spinal cord dorsolateral nucleus motoneuron rheobase (nA) 0.079 (26) 79.0 (pA) Data Table
Spinal cord ventral horn motor neuron alpha spinal cord ventral nucleus motoneuron rheobase (nA) 0.56 (13) 560.0 (pA) Data Table
Spinal cord ventral horn motor neuron alpha spinal cord lumbar hind limb alpha motoneuron rheobase (nA) 0.59 (13) 590.0 (pA) Data Table
Spinal cord ventral horn motor neuron alpha spinal cord dorsolateral nucleus motoneuron FI slope (Hz/nA) 104.64 (26) 104.64 (Hz/nA) Data Table
Spinal cord ventral horn motor neuron alpha spinal cord ventral nucleus motoneuron FI slope (Hz/nA) 38.18 (13) 38.18 (Hz/nA) Data Table
Spinal cord ventral horn motor neuron alpha spinal cord dorsolateral nucleus motoneuron resting membrane potential (mV) -71.64 (26) -71.64 (mV) Data Table
Spinal cord ventral horn motor neuron alpha spinal cord lumbar hind limb alpha motoneuron FI slope (Hz/nA) 33.96 (13) 33.96 (Hz/nA) Data Table
Spinal cord ventral horn motor neuron alpha spinal cord ventral nucleus motoneuron resting membrane potential (mV) -75.2 (13) -75.2 (mV) Data Table
Spinal cord ventral horn motor neuron alpha spinal cord lumbar hind limb alpha motoneuron resting membrane potential (mV) -79.32 (13) -79.32 (mV) Data Table
Spinal cord ventral horn motor neuron alpha spinal cord dorsolateral nucleus motoneuron input resistance 259.36 (26) 259.36 (MΩ) Data Table
Spinal cord ventral horn motor neuron alpha spinal cord ventral nucleus motoneuron input resistance 135.87 (13) 135.87 (MΩ) Data Table
Spinal cord ventral horn motor neuron alpha spinal cord lumbar hind limb alpha motoneuron input resistance 143.88 (13) 143.88 (MΩ) Data Table