Table 2.

Global histological results

Rat	μ, μm	σ2	γ	D1, μm	D2, μm
S2	30.77	648.03	2.2856	51.835	79.416
S3	40.73	1324.78	2.1908	73.256	112.30
S4	35.55	996.07	2.8170	63.568	106.08
S5	35.23	1175.83	3.0967	68.606	121.17
S6	30.86	739.37	2.5834	54.818	88.537
S7	36.60	1033.43	2.4723	64.835	103.09
S8	36.01	1082.87	2.7781	66.081	110.39
S9	38.01	981.16	2.4394	63.822	99.661
E2	37.73	1270.06	2.5269	71.392	115.77
E3	52.55	2315.44	2.1770	96.611	148.26
E4	53.15	2594.00	2.7272	101.95	170.53
E5*	30.34	881.67	3.4295	59.400	109.84
E6	56.52	3854.04	2.6469	124.71	208.18
E7	38.07	1272.48	2.6047	71.495	117.11
E8	43.53	1509.03	2.6031	78.197	126.95
E9	45.80	1933.69	3.1648	88.020	156.49

μ, σ², and γ are the mean, variance, and skewness of equivalent diameter D_eq; D₁ and D₂ are weighted indexes of air space size distribution.

^*All sections of lung E5 appeared underinflated on the histological slides.