TABLE 1.

(a) Total number of chords (sum from all sections) in each lung from each mouse, at the different grid spacings. (b) Average number of chords in each section in all mice.

Mouse #	3 μm	7 μm	17 μm	34 μm	70 μm	140 μm	280 μm
(a)
1	229,931	114,485	57,315	28,657	14,354	7238	3528
2	185,449	92,813	46,789	23,184	11,498	5733	2879
3	216,887	108,343	54,255	27,144	13,593	6789	3410
4	206,435	103,119	51,583	25,767	12,929	6408	3294
5	234,946	117,397	58,665	29,432	14,727	7290	3731
6	170,349	85,063	42,666	21,359	10,685	5331	2696
7	223,135	107,599	53,932	26,954	13,438	6743	3373
8	128,231	64,002	32,055	16,029	7997	3963	1995
9	126,953	63,450	31,776	15,950	7927	3980	1938
10	254,248	127,027	63,415	31,744	15,903	7942	4033
11	202,533	101,041	50,741	25,322	12,630	6326	3152
(b)
Average chords per section	72,481	36,079	18,074	9037	4515	2254	1132
SEM	2467	1226	607	307	157	78	201

Note that the average chords in the lower table is not the average of the total chords in each lung, but rather the average number of chords measured per intact lung section.