title: Distribution of diazo-positive (Argentaffin) cells in the small intestine of rats of various ages.
mesh_terms: D000367:Age Factors; D000818:Animals; D002432:Cecum / Q000166:cytology; D002452:Cell Count; D002838:Chromaffin System; D003594:Cytoplasmic Granules; D003979:Diazonium Compounds; D004386:Duodenum / Q000166:cytology; D004847:Epithelial Cells; D007082:Ileum / Q000166:cytology; D007421:Intestine, Small / Q000166:cytology* / Q000254:growth & development / Q000378:metabolism; D008297:Male; D008722:Methods; D011708:Pylorus / Q000166:cytology; D051381:Rats; D012701:Serotonin / Q000378:metabolism; D013194:Staining and Labeling; D014886:Weaning
chemical_list: D003979:Diazonium Compounds; D012701:Serotonin