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Article: Emergence of intrinsic bursting in trigeminal sensory neurons parallels the acquisition of mastication in weanling rats.

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Brocard F; Verdier D; Arsenault I; Lund JP; Kolta A
J. Neurophysiol., 2006



TABLE 2.Effects of external Ca2+ removal on intrinsic membrane properties of NVsnpr neurons


Standard ACSF Ca2+-Free ACSF

Vm, mV –60 ± 1 –60 ± 1
Rm, MΩ 279 ± 36 281 ± 42
AP amp, mV 61 ± 3 63 ± 4
AP dur, ms 1.1 ± 0.1 1.2 ± 0.2
ADP amp, mV 13.6 ± 1.3 21.7 ± 1.1*
AHP amp, mV –8.5 ± 1 –1.9 ± 0.5*
Percent of repetitive bursting cells 0% 80%

*P < 0.001. Paired t-tests (n = 15). NVsnpr, trigeminal principal sensory nucleus; ACSF, artificial cerebrospinal fluid; AP, action potential; ADP, afterdepolarization; AHP, afterhyperpolarization.

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