*Difference within spinal region.
Article: Are all spinal segments equal: intrinsic membrane properties of superficial dorsal horn neurons in the developing and mature mouse spinal cord.
Full Text (publisher's website) ; Article Metadata ; Article Data (extracted) Tadros MA; Harris BM; Anderson WB; Brichta AM; Graham BA; Callister RJ J. Physiol. (Lond.), 2012
Discharge category | Age | Region | n | Input resistance (MΩ) | Capacitance (pF) | RMP (mV) | Rheobase current (pA) | AP threshold (mV) | AP amplitude (mV) | AP half-width (ms) | AHP amplitude (mV) |
---|---|---|---|---|---|---|---|---|---|---|---|
Tonic firers | Neonate | C2–C4 | 9 | 574 ± 55 | 20.4 ± 0.9 | −67.4 ± 2.3 | 33 ± 7.5 | −38.8 ± 1.5 | 41.1 ± 2.8 | 1.29 ± 0.11 | −21.4 ± 1.5 |
T8–T10 | 11 | 594 ± 106 | 22.9 ± 2.8 | −63.4 ± 2.2 | 29 ± 6.2 | −42.8 ± 1.1 | 42.6 ± 5.9 | 1.76 ± 0.24 | −16.4 ± 1.7 | ||
L3–L5 | 11 | 594 ± 79 | 20.2 ± 3.1 | −61.3 ± 2.8 | 29 ± 4.1 | −41.2 ± 2.1 | 46.7 ± 4.6 | 1.37 ± 0.16 | −19.6 ± 1.7 | ||
Adult | C2–C4 | 20 | 391 ± 39 | 14.2 ± 1.1 | −61.4 ± 1.1 | 27 ± 2.6 | −39.7 ± 0.8 | 53.0 ± 2.5 | 0.65 ± 0.02 | −40.5 ± 1.2 | |
T8–T10 | 16 | 398 ± 49 | 14.9 ± 1.2 | −66.0 ± 1.7 | 33 ± 4.0 | −40.3 ± 1.0 | 56.9 ± 1.6 | 0.61 ± 0.03 | −40.5 ± 2.0 | ||
L3−L5 | 15 | 389 ± 44 | 16.4 ± 1.6 | −61.1 ± 1.9 | 31 ± 6.7 | −41.0 ± 0.9 | 55.0 ± 3.0 | 0.91 ± 0.12 | −35.2 ± 2.4 | ||
Initial bursters | Neonate | C2–C4 | 35 | 657 ± 62 | 21.4 ± 1.1 | −59.9 ± 1.4 | 32 ± 2.5 | −39.2 ± 0.9 | 35.8 ± 1.8 | 1.99 ± 0.15 | −15.4 ± 1.3 |
T8–T10 | 27 | 739 ± 53 | 21.1 ± 1.2 | −60.6 ± 1.1 | 34 ± 4.1 | −40.0 ± 0.7 | 35.4 ± 1.9 | 1.93 ± 0.13 | −13.7 ± 1.2 | ||
L3–L5 | 26 | 517 ± 35 | 19.7 ± 1.4 | −62.3 ± 1.6 | 45 ± 11.9 | −39.9 ± 0.8 | 36.8 ± 2.7 | 1.66 ± 0.12 | −14.4 ± 1.5 | ||
Adult | C2–C4 | 52 | 421 ± 27 | 17.4 ± 0.9 | −63.2 ± 1.4 | 58 ± 8.1 | −38.1 ± 1.1 | 52.5 ± 1.4 | 0.74 ± 0.03 | −36.2 ± 0.9 | |
T8–T10 | 38 | 453 ± 39 | 15.0 ± 0.9 | −63.1 ± 1.4 | 64 ± 9.9 | −38.8 ± 0.9 | 48.9 ± 1.9 | 0.73 ± 0.03 | −37.7 ± 1.1 | ||
L3–L5 | 32 | 391 ± 31 | 15.5 ± 0.9 | −61.7 ± 1.5 | 65 ± 10.5 | −38.6 ± 1.0 | 48.7 ± 1.9 | 0.88 ± 0.09 | −34.7 ± 1.3 | ||
Delayed firers | Neonate | C2–C4 | 3 | 569 ± 50 | 30.0 ± 6.6 | −64.9 ± 2.2 | 80 ± 50 | −35.5 ± 1.5 | 23.5 ± 4.9 | 1.99 ± 0.30 | −11.9 ± 3.4 |
T8–T10 | 3 | 610 ± 275 | 18.3 ± 6.8 | −77.5 ± 2.4 | 120 ± 20 | −38.7 ± 3.4 | 29.3 ± 2.2 | 1.83 ± 0.15 | −17.0 ± 4.2 | ||
L3–L5 | 1 | 743 | 22.9 | −66.4 | 40 | −37.7 | 29.3 | 1.82 | −20.6 | ||
Adult | C2–C4 | 14 | 580 ± 83 | 21.1 ± 1.8 | −74.7 ± 1.9 | 147 ± 26 | −35.2 ± 1.3 | 41.0 ± 4.0 | 0.68 ± 0.03 | −37.7 ± 1.2 | |
T8–T10 | 16 | 513 ± 54 | 20.1 ± 1.7 | −75.8 ± 2.5 | 135 ± 24 | −38.5 ± 1.2 | 47.3 ± 2.7 | 0.74 ± 0.04 | −36.6 ± 1.3 | ||
L3–L5 | 24 | 483 ± 25 | 18.7 ± 1.5 | −72.8 ± 1.4 | 128 ± 19 | −37.2 ± 1.0 | 44.8 ± 2.1 | 0.94 ± 0.09 | −37.9 ± 1.3 | ||
Single spikers | Neonate | C2–C4 | 32 | 661 ± 69 | 21.0 ± 1.3 | −55.7 ± 1.4 | 68 ± 7 | −37.5 ± 0.8 | 19.9 ± 1.3 | 2.94 ± 0.21 | −4.5 ± 1.0 |
T8–T10 | 35 | 819 ± 94 * | 21.0 ± 1.0 | −54.9 ± 1.0 | 57 ± 7 | −37.9 ± 0.9 | 21.7 ± 1.1 | 3.16 ± 0.20 | −3.1 ± 1.1 | ||
L3–L5 | 47 | 523 ± 42 | 21.9 ± 1.0 | −55.6 ± 1.1 | 67 ± 7 | −37.1 ± 0.7 | 22.6 ± 1.1 | 2.90 ± 0.21 | −5.4 ± 1.0 | ||
Adult | C2–C4 | 12 | 353 ± 54 | 15.7 ± 1.5 | −63.7 ± 2.4 | 162 ± 32 | −40.4 ± 1.6 | 40.7 ± 3.2 | 0.75 ± 0.09 | −34.3 ± 2.8 | |
T8–T10 | 18 | 344 ± 38 | 15.9 ± 1.3 | −69.8 ± 1.5 | 224 ± 28 | −41.9 ± 1.3 | 43.8 ± 2.5 | 0.68 ± 0.05 | −31.8 ± 1.4 | ||
L3–L5 | 17 | 401 ± 50 | 16.6 ± 1.4 | −61.9 ± 1.7 | 132 ± 21 | −38.5 ± 1.4 | 45.4 ± 3.4 | 0.86 ± 0.08 | −32.3 ± 2.1 | ||
Reluctant firers | Neonate | C2–C4 | 21 | 919 ± 123 | 19.0 ± 1.5 | −55.3 ± 3.0 | |||||
T8–T10 | 22 | 1072 ± 142 | 19.3 ± 1.3 | −45.9 ± 1.9 | |||||||
L3–L5 | 15 | 818 ± 112 | 18.4 ± 2.1 | −49.9 ± 1.9 | |||||||
Adult | C2–C4 | 11 | 383 ± 42 | 20.9 ± 1.9 | −76.2 ± 1.7 | ||||||
T8–T10 | 13 | 411 ± 83 | 21.3 ± 1.8 | −77.3 ± 4.5 | |||||||
L3–L5 | 25 | 440 ± 42 | 22.3 ± 1.7 | −77.2 ± 1.9 |