... that would allow K + secreted into the goblet cavity to exit to the gut lumen, while preventing H + from exiting, remain unclear. © 1992 by Company of Biologists 1992 tobacco homworm Manduca sexta ion-selective microelectrodes active potassium transport intracellular pH intracellular...

.... 30 06 1988 © 1989 by Company of Biologists 1989 tobacco homworm midgut transepithelial potential difference metabolism The midgut of the Manduca sexta larva actively secretes potassium via an apically located potassium pump (reviewed by Dow, 1986) which may...