title: Enterochromaffin cells in the guinea pig digestive tube in relation to aging.
mesh_terms: D000375:Aging; D000818:Animals; D002838:Chromaffin System / Q000166:cytology*; D004064:Digestive System / Q000166:cytology*; D004759:Enterochromaffin Cells / Q000166:cytology*; D006168:Guinea Pigs