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Fig. 5. Contents (µmol g-1) of ammonia (open), glutamine (filled) and
glutamate (hatched) in the brains of Periophthalmodon schlosseri or
Boleophthalmus boddaerti killed 15 min after the injection with
saline (0.9% NaCl; control), succumbed within 15-50 min to an intraperitoneal
injection with a sublethal dose (15 and 12 µmol g-1 fish,
respectively) of CH3COONH3 (dead), or survived a
sublethal dose of CH3COONH3 (15 and 12 µmol
g-1 fish, respectively) and killed at hour 24.
*Significantly different from values of the saline-injected control
and fish survived for 24 h.