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1. to perform an operation.
2. the subject of an experiment who has undergone a specific surgical procedure.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.


1. To work on the body by the hands or by means of cutting or other instrument.
2. To perform a surgical procedure.
3. To cause a movement of the bowels; said of a laxative or cathartic remedy.
4. Used to describe the action of using an instrument to achieve a diagnostic or therapeutic endpoint (for example, to operate an instrument).
[L. operor, pp. -atus, to work, fr. opus, work]
Farlex Partner Medical Dictionary © Farlex 2012


v. oper·ated, oper·ating, oper·ates
1. To perform a function; work: The motor operates smoothly.
2. To perform surgery.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.


To perform a therapeutic procedure on the body with the hands or with instruments.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012


1. To work on the body manually or with an instrument.
2. To perform a surgical procedure.
3. Used to describe the action of using an instrument to achieve a diagnostic or therapeutic endpoint.
Medical Dictionary for the Dental Professions © Farlex 2012

Patient discussion about operate

Q. I am worried how safe the operation would be and the post surgery complications? My wife has a cyst in her right breast and further tests are going on. Doctors have advised to go for an operation. I am worried how safe the operation would be and the post surgery complications?

A. My friend, surgery for the cyst in breast is common. Any cyst in breast indicates breast cancer. These surgeries are very safe. Initially they used to cut the complete breast to remove the cyst. Now with the advanced technology, only the cyst would be removed without harming other tissues. Rather complete removal is done these days, but that depend upon the severity of the cancer. These surgeries are proven with results. If the cyst is less they will remove only the affected portion and yes they do remove some nearby tissues because there some cancer cells may lay and can arrive again. For any post surgery complications, chemotherapy treatment is also available.

Q. Should I do surgery for varicoceles? I went to an urologist and he recommended surgery, but I don’t know if I should do this…is it dangerous? Can I live with the varicocele?

A. I don’t see your problem, you said an urologist advised you to do so- that should be enough no? if you don’t trust him, go and get a second opinion. The surgery is not that bad, an hour later and you are walking out. Vary small risk of complication. I did it and it was fine.

Q. What types of gastric bypass surgeries are there? I heard all sorts of options for gastric bypass are available. What is the most in use?

A. Bariatric surgeries or – gastric bypass surgeries for weight loss fall into three categories: Restrictive procedures make the stomach smaller to limit the amount of food intake, malabsorptive techniques reduce the amount of intestine that comes in contact with food so that the body absorbs fewer calories, and combination operations employ both restriction and malabsorption. The exact one to be done should be decided with the physician according to each patients abilities and pre-operative function level.

More discussions about operate
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References in periodicals archive ?
Established way back in 1929 it currently operates a fleet of nearly 50 aircraft, split 50/50 between Airbus and Boeing.
Wycoff suggests talking to recyclers who operate balers from different manufacturers and viewing the machines in operation.
(19) The Board has reviewed the restrictions on disclosure in relevant jurisdictions in which BNP operates and has communicated with relevant government authorities concerning access to information.
HC-2 Det 2 will continue to operate its UH-3s for some time, because H-46Ds have priority for replacement with new MH-60S Seahawks within the helicopter tactical wings on both coasts.
While MSR is obviously very powerful, it operates transparently to other devices in the network, and does not require any changes to the network or existing applications.
Operating environment: Spectrometer will operate in a foundry environment at an operating temperature of 32-95F (0-35C) and a storage temperature of 14-160F (-10-70C).
A direct hydraulic drive can operate continuously throughout the entire speed range up to 200-300% of the normal operating torque from zero to full speed, determined by the displacement of the pump and the installed electrical power.
The rules, thus, operate ujustifiably in cliff-like fashion.
But for airlines in that bottom, most dangerous twothirds of the industry, that operate four or five planes in a small town and depend on nearly every flight to get off the ground in order to make a profit, the prospect of a quick fix of the books is real.
The Northwest Airlink carrier, which currently operates 49 Saabs, had its fleet reduced over the past year by 40 aircraft by NWA.
and Nakadaya Corp., has taken a different approach to designing, building and operating a scrap metal handling facility, which is part of its overall strategy to create a profitable processing facility that also operates in an efficient and environmentally sound way.