Spinal afferent neurons projecting to the rat lung and pleura express acid sensitive channels

Respiratory Research

Table 4 Segmental distribution of retrogradely labelled DRG neurons after DiI injection into the left lung.

Left	Rat 1		Rat 2		Rat 3		Rat 4		mean
	n	%	n	%	n	%	n	%	%
C4	0	0.0	4	0.6	12	2.3	5	0.9	1.0
C5	4	1.5	94	13.7	40	7.5	73	13.5	9.1
C6	31	11.7	102	14.9	66	12.4	33	6.1	11.3
C7	36	13.6	25	3.6	47	8.8	40	7.4	8.4
C8	14	5.3	18	2.6	21	3.9	8	1.5	3.3
Th1	32	12.1	305	44.5	167	31.3	136	25.1	28.3
Th2	109	41.3	90	13.1	103	19.3	87	16.1	22.5
Th3	19	7.2	19	2.8	48	9.0	52	9.6	7.2
Th4	14	5.3	16	2.3	15	2.8	28	5.2	3.9
Th5	0	0.0	8	1.2	8	1.5	39	7.2	2.5
Th6	5	1.9	3	0.4	2	0.4	30	5.6	2.1
Th7	0	0.0	2	0.3	2	0.4	5	0.9	0.4
Th8	0	0.0	0	0.0	0	0.0	4	0.7	0.2
Th9	0	0.0	0	0.0	1	0.2	1	0.2	0.1
Th10	0	0.0	0	0.0	1	0.2	0	0.0	0.1
Σ	264	100	686	100	533	100	541	100	100

Right	Rat 1		Rat 2		Rat 3		Rat 4		mean
	n	%	n	%	n	%	n	%	%
C4	2	9.5	20	5.8	X	X	2	2.9	6.1
C5	3	14.3	85	24.5	38	19.6	1	1.5	13.4
C6	0	0.0	44	12.7	31	16.0	0	0.0	4.2
C7	0	0.0	2	0.6	1	0.5	1	1.5	0.7
C8	1	4.8	9	2.6	1	0.5	1	1.5	3.0
Th1	4	19.1	101	29.1	43	22.2	10	14.5	20.9
Th2	11	52.4	78	22.5	64	33.0	15	21.7	32.2
Th3	0	0.0	5	1.4	X	X	4	5.8	2.4
Th4	0	0.0	1	0.3	12	6.2	8	11.6	4.0
Th5	0	0.0	1	0.3	2	1.0	9	13.0	4.4
Th6	0	0.0	0	0.0	1	0.5	15	21.7	7.2
Th7	0	0.0	0	0.0	0	0.0	1	1.5	0.5
Th8	0	0.0	1	0.3	1	0.5	1	1.5	0.6
Th9	0	0.0	0	0.0	0	0.0	1	1.5	0.5
Th10	0	0.0	0	0.0	0	0.0	0	0.0	0.0
Σ	21	100	347	100	194	100	69	100	100

ISSN: 1465-993X