Movement of potassium and sodium across the midgut epithelium of the American cockroach.
D000818:Animals; D001692:Biological Transport; D004848:Epithelium / Q000378:metabolism; D006706:Homeostasis; D007313:Insecta; D011188:Potassium / Q000378:metabolism*; D012964:Sodium / Q000378:metabolism*
D012964:Sodium; D011188:Potassium