Fig. 3.
Dose relationship of agonist-evoked [Ca2+]i increases. A, Original recording of [Ca2+]i rises caused by bath application (20 sec) of GABA. B, Statistical analysis reveals that the response to GABA saturates at concentrations >200 μm. C, Original recording of [Ca2+]i rises in response to bath application (20 sec) of glycine. D, Statistical analysis reveals that the response to glycine saturates at concentrations >250 μm.