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Table 1 Size and action potential (AP) properties of neurons sensitive to substance P

From: Characteristics of dorsal root ganglia neurons sensitive to Substance P

Property

Whole population

Substance P sensitive

   

All

Excite

Inhibit

  

(n = 72)

(n = 20)

(n = 10)

(n = 10)

Capacitance (pF)

Mean

61.5

76

82.2

69.8

SD

30.6

32.7

29.1

36.4

P

---

0.02

0.03

0.38

AHP Half-Width (ms)

Mean

18

20

27

10

SD

15

12

11

6

P

---

0.37

0.01

0.004

AP Width at 0 mV (ms)

Mean

2.6

2.9

3.3

2.5

SD

1.81

1.79

1.39

2.16

P

---

0.52

0.18

0.79

Resting Potential (mV)

Mean

−60

−61

−62

−60

SD

9.4

9.2

6.9

11.3

P

---

0.28

0.19

0.74

AP Overshoot (mV)

Mean

51

53

63

43

SD

17

18

13

18

 

p

---

0.38

0.005

0.24

  1. Values for p were calculated by t test comparing each group with the remaining cells from the whole population. AHP, Afterhyperpolarization.
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Molecular Pain

ISSN: 1744-8069

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