title: Observations on the ultrastructural appearance of endocrine cells of the small intestine of the calf.
mesh_terms: D000818:Animals; D002417:Cattle / Q000033:anatomy & histology*; D002838:Chromaffin System / Q000648:ultrastructure*; D004759:Enterochromaffin Cells / Q000648:ultrastructure*; D007421:Intestine, Small / Q000648:ultrastructure*; D008855:Microscopy, Electron, Scanning; D008871:Microvilli / Q000648:ultrastructure