Fig. 4From: Changes in the intestinal expression of drug metabolism-related genes in a piglet model of parenteral nutritionEffect of PN on ileum epithelium and serum FGF19 levels. A Representative images showing villus atrophy in the ileum epithelium. Scale bar = 100 μm. B Quantification of villus height and crypt depth in (A). Data are presented as mean ± SD. *p < 0.05 (n = 6/group). C Serum levels of FGF19 in portal vein. Data are presented as mean ± SD. *p < 0.05 (n = 6/group)Back to article page