because inherent regional differences in colonic epithelium may determine the biologic behavior of tumors originating from different sites , and inasmuch as colonic epithelial cells secrete mucins that may reflect the state of cell differentiation , colonic goblet cell mucin was analyzed with the use of fluorescein isothiocyanate-conjugated lectins and fluorescence microscopy in normal fetal and adult mucosa and in cancers of the proximal and distal colon .
C0014597
epithelial cells
C0026682
mucin