Table 2.

Volumes per unit vessel length of tunica intima plus internal elastic lamina, tunica media and tunica adventitia in control and hypoxic intra-acinar pulmonary blood vessels

	Control (n = 7)	Hypoxic (n = 6)
Volume of intima + IEL per unit length (× 10−6 cm3 cm−1)	2.66 ± 0.18	3.50 ± 0.50
Volume of media per unit length (× 10−6 cm3 cm−1)	0.35 ± 0.03	2.06 ± 0.47*
Volume of adventitia per unit length (× 10−6 cm3 cm−1)	6.82 ± 0.56	11.50 ± 1.73*

Values are means (± S.E.M.). Volume of intima + IEL, volume of intima and internal elastic lamina considered together (see Methods for details.

^*Significant difference from controls (P < 0.05, t test).