Phase-diagram
noun, Chemistry.
1.
a graph, usually using temperature, pressure, and composition as coordinates, indicating the regions of stability of the various phases of a system.
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phase I block n. Inhibition of nerve impulse transmission across the myoneural junction associated with depolarization of the motor endplate, as in the muscle paralysis produced by succinylcholine.
- Phase ii block
phase II block n. Inhibition of nerve impulse transmission across the myoneural junction unaccompanied by depolarization of the motor endplate, as in the muscle paralysis produced by tubocurarine.