title: Laser spot confocal technique to measure cytoplasmic calcium concentration in photoreceptors.
authors.affiliation: Physiological Laboratory, University of Cambridge, United Kingdom.
authors.forename: H R
authors.initials: HR
authors.lastname: Matthews
authors.forename: G L
authors.initials: GL
authors.lastname: Fain
mesh_terms: D000818:Animals; D002118:Calcium / Q000378:metabolism*; D002138:Calibration; D003593:Cytoplasm / Q000378:metabolism*; D007834:Lasers; D018613:Microscopy, Confocal / Q000379:methods*; D020419:Photoreceptor Cells, Vertebrate / Q000378:metabolism*; D013050:Spectrometry, Fluorescence; D014562:Caudata
chemical_list: D002118:Calcium