From Wikipedia, the free encyclopedia
A biphasic system is one which has two phases.
- In the physical sciences, a liquid water and steam system would represent a biphasic system. See phase (matter).
- In chronobiology, biphasic sleep refers to a nap or siesta in addition to the usual sleep episode at night. Monophasic sleep means just one sleep episode per day.
- In system response descriptions, it can refer to an effect which varies or reverses with dosage, such as alcohol turning from a stimulant to a depressant as dose goes past an inflection point.
- Biphasic disease
- Biphasic formulations of oral contraceptive pills, usually with one switch in the dosage of progestin during non-placebo phase.
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