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Article: Quantitative morphometry of electrophysiologically identified CA3b interneurons reveals robust local geometry and distinct cell classes.

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Ascoli GA; Brown KM; Calixto E; Card JP; Galván EJ; Perez-Rosello T; Barrionuevo G
J. Comp. Neurol., 2009


Table 6. Morphometric and Physiological Differences Between HiDe and LoDe Interneurons
Dendritic/physiological featureHiDe μ ± σ (n = 8)LoDe μ ± σ (n = 5)P value
No. of bifurcations38.88 ± 21.859.60 ± 0.550.00081
Maximum branch order10.25 ± 3.494.20 ± 0.840.0031,2
Total length (μm)3941.98 ± 2272.721627.39 ± 559.010.011,2
Surface area (μm2)11751.22 ± 9622.594344.42 ± 1211.690.032,3
Global fractal dimension (box-counting)1.14 ± 0.101.04 ± 0.030.011
Branch path length (μm)47.56 ± 17.5272.39 ± 22.900.053,4
Taper rate0.13 ± 0.120.32 ± 0.050.0061
Partition asymmetry0.56 ± 0.080.45 ± 0.070.053
Amplitude bifurcation angle (°)78.76 ± 10.0359.82 ± 12.530.033
Tilt bifurcation angle (°)106.19 ± 11.34134.33 ± 7.430.0021
Action potential amplitude (mV)76.25 ± 5.7570.2 ± 5.850.053
Afterhyperpolarization amplitude (mV)10.88 ± 1.8114.00 ± 2.240.033
RC 20-80% rise (ms)2.46 ± 0.233.00 ± 0.480.011

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