Normal Adult Human Liver Biopsy

Table 5

The Normal Adult Human Liver Biopsy: A Quantitative Reference Standard

table 5. Dimensions of Tissue Profiles

Structure	Average (µm)	Range (µm)	95% Confidence Interval (µm)

Hepatic artery	11.8 ± 4.7	4.7-56.6	11.5-12.1
Bile duct (BD1)	12.7 ± 4.2	7.5-47.2	12.4-13.0
Portal vein	35.0 ± 24.5	9.4-169.7	31.8-38.1
Canal of Hering (BD2)	11.1 ± 2.6	5.7-18.9	10.6-11.6
Cuboidal strings	9.5 ± 1.4	7.2-11.8	8.8-10.2
Terminal hepatic veins	66.9 ± 40.3	11.3-170	59.5-74.3

NOTE. The average minimum dimensions (defined in text), range, and 95% confidence intervals are given for each of the structural profiles measured in the liver biopsies.