Fluorescent Ca+2 analogs in nerve: rare-earth ions.
D000200:Action Potentials; D000818:Animals; D002118:Calcium / Q000378:metabolism*; D002462:Cell Membrane / Q000378:metabolism; D003201:Computers; D005063:Europium / Q000378:metabolism*; D005399:Fishes; D009832:Olfactory Nerve / Q000166:cytology / Q000378:metabolism*; D011188:Potassium; D011955:Receptors, Drug; D013050:Spectrometry, Fluorescence; D013725:Terbium / Q000378:metabolism*
D011955:Receptors, Drug; D013725:Terbium; D005063:Europium; D011188:Potassium; D002118:Calcium