bypass

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bypass

1. a main road built to avoid a city or other congested area
2. any system of pipes or conduits for redirecting the flow of a liquid
3. a means of redirecting the flow of a substance around an appliance through which it would otherwise pass
4. Surgery
a. the redirection of blood flow, either to avoid a diseased blood vessel or in order to perform heart surgery
b. (as modifier): bypass surgery
5. Electronics
a. an electrical circuit, esp one containing a capacitor, connected in parallel around one or more components, providing an alternative path for certain frequencies
b. (as modifier): a bypass capacitor

bypass

[′bī‚pas]
(civil engineering)
A road which carries traffic around a congested district or temporary obstruction.
(communications)
The use of alternative systems, such as satellite and microwave, to transmit data and voice signals, avoiding use of the communication lines of the local telephone company.
(electricity)
A shunt path around some element or elements of a circuit.
(engineering)
An alternating, usually smaller, diversionary flow path in a fluid dynamic system to avoid some device, fixture, or obstruction.

bypass

Any device (such as a pipe or duct) for directing flow around an element instead of through it.

bypass

In communications, to avoid the local telephone company by using satellites and microwave systems.
References in periodicals archive ?
Our study proved the fact that elevated CRP levels (well correlated with high cardiovascular risk) among depressive patients, with previous aortocoronary bypass, would indicate the necessity of a sustained treatment; this medical attitude diminished the occurrence of an acute cardiovascular event.
Comparison of two different anesthesia regimens in patients undergoing aortocoronary bypass grafting surgery: sufentanil-midazolam versus remifentanil-propofol.
If a distal protection device or distal balloon occlusion is not used during a PCI of an aortocoronary bypass graft, then the patient should not receive a IIb/IIIa inhibitor, on the basis of the new findings, he said.