epithelium of intestinal villus is simple columnar epithelium, muscularis mucosa is not obvious, and there are central lacteals in lamina propria but there are not duodenal glands.
小肠绒毛上皮是单层柱状上皮,粘膜肌不明显,有中央乳糜管,无十二指肠腺。
in the intestinal villus epithelial cell the vacuole denaturates, in the endoplasmic reticulum has many and annular viral pulls.