Tubular ionic movements.
D000818:Animals; D001001:Anura; D004594:Electrophysiology; D004721:Endoplasmic Reticulum; D066298:In Vitro Techniques; D008854:Microscopy, Electron; D009132:Muscles / Q000166:cytology* / Q000502:physiology*; D011188:Potassium / Q000378:metabolism*
D011188:Potassium