... baseline. (B) Slow wavesrecorded at two sites 6 mm apart along a< /b> strip before, during and after central applica-tion of < /b> 1 mM caffeine applied at widths of < /b> 3 and 5 mm. The 3 mm stream markedlyincreased ... higherthan that of < /b> Ca2+[24]. However, a < /b> candidate mecha-nism that could serve as a < /b> coupling spring involveselectrical membrane potential changes caused by < /b> Ca2+store-activated inward current ... of < /b> Physiology and Pharmacology, University of < /b> Calgary, Alberta, Canada2 School of < /b> Biomedical Sciences, University of < /b> Newcastle, Callaghan, NSW, AustraliaLong-range signalingBiological organs...