Argyrophile and argentaffin reactions in individual granules of enterochromaffin cells of the guinea pig.
D000818:Animals; D002838:Chromaffin System / Q000166:cytology*; D004386:Duodenum / Q000166:cytology; D006168:Guinea Pigs; D007421:Intestine, Small / Q000166:cytology*; D008854:Microscopy, Electron; D011817:Rabbits; D013045:Species Specificity; D013194:Staining and Labeling