Plate 10.195 Duodenum: Villi
Ronald A. Bergman, Ph.D., Adel K. Afifi, M.D., Paul M. Heidger,
Peer Review Status: Externally Peer Reviewed
Helly's fluid, Mallory's stain, 162 x.
Finger-like projections of the mucosa into the intestinal lumen characterize the small intestine. Note the simple columnar absorptive epithelial covering with basally located nuclei and the delicate basement membrane. Interspersed among the columnar absorptive cells are goblet cells, which are unicellular mucous glands. The core of each villus is composed of loose, delicate connective tissue (lamina propria). See also Plate 194.
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