Receptors and ion channels.
D000818:Animals; D002462:Cell Membrane / Q000502:physiology; D006706:Homeostasis; D007473:Ion Channels / Q000502:physiology*; D011956:Receptors, Cell Surface / Q000502:physiology*; D011955:Receptors, Drug / Q000502:physiology*
D007473:Ion Channels; D011956:Receptors, Cell Surface; D011955:Receptors, Drug