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An unconscious defense mechanism used to allay anxiety by denying the existence of important conflicts, troublesome impulses, events, actions, or illness.
Synonym(s): negation
[M.E., fr, O.Fr., fr. L. denegare, to say no]
Farlex Partner Medical Dictionary © Farlex 2012


A denial, contradiction, or negative statement.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.


An unconscious defense mechanism used to allay anxiety by denying the existence of important conflicts or troublesome impulses.
Synonym(s): negation.
[M.E., fr, O.Fr., fr. L. denego, to say no]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

Patient discussion about negation

Q. is her2 positive more agressive than her2 negative? i know someone with her2 positive breast cancer and her doctor said it was more difficult to detect upon its return if it came back i want to know if it is true and what can she do to detect it earlier

A. Over-expression of her2/neu, a specific molecule in the breast cancer cell is indeed considered to convey worse prognosis, and suggest the need for chemotherapy and immunotherapy with Herceptin. However, the decision is much more complicated and should be made on case by case basis after consulting a professional.

Q. Rising PSA to 10 with two negative biospies? Expect cancer? 67 yrs old in good health otherwise.

A. High values don't always mean it's cancer. At 67 years old, you're prostate is most likely enlarging, resulting in the higher PSA results. And after two negative biopsies, it sounds like you're in the clear. Like Brandon said though, keep up with your regular check ups.

Q. Does the cooking have a negative effect on the protein content of the food? I have heard that high temperatures cooking breaks the protein, so does the cooking have a negative effect on the protein content of the food?

A. Yes. Proteins can be denatured by heat, but only when the protein structure is delicate or is exposed to extremely high temperatures for long time. You must remember that breaking of protein is the physical-chemical process where the physical or chemical structure of a protein is rearranged. So cooking will not reduce on the nutritive value of the food until it’s cooked at cooking temperatures.

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References in periodicals archive ?
Naeem Ahmed said he was optimistic that curse of narcotics to be eliminated from Badin district adding that Badin was supposed where negate element in connection of narcotics was considered in Sindh province.
"He's put a huge emphasis on working on certain individuals and how to negate them."
Rafizi said he conducted simulations based on the announced ICPT rates and said that it would effectively negate 50 per cent of the cost savings resulting from the removal of the GST.
I would also urge the Westminster Parliament not to allow the Conservative party in office for the time being not to seek to acquire Henry VIII's powers unto itself and so negate eons of democracy.
The campaign aims to spotlight the achievements of several exemplary and entrepreneurial women who have supported society's advancement, thus countering the allegations of terrorist groups that attempt to negate the positive impact of women in society.
Through the failures of its own attempts to negate objects into itself as desire, as well as its awareness of the truth of experience, self-consciousness comes to realize that there must be cases available within objective otherness wherein the "object itself effects [desire's] negation within itself' ([section]175/144).
The authority said filling out the form through its website negates the need to visit a typing centre, therefore saving the customer Dhs30 in fees.
This time last year basic-rate taxpayers had a choice of 91 accounts to negate the effects of inflation."
If you can suspend enough disbelief to think that two popes will commit suicide, contemporary cardinals will commit murder and mayhem, and the Catholic church will renege on previous teachings and allow abortion, priests to marry, negate papal infallibility, and condone nearly all other matters that would fall under the heading of sin--then you can go ahead and enjoy an otherwise suspenseful tale of intrigue.
reasonable expenses of administration of his estate." Thus, in his will, L gave specific instructions as to how the residual estate was to be administered and how the expenses of his estate were to be handled if the residue estate was insufficient, and sufficiently intended to negate the default rule of apportionment.
Bankruptcy doesn't negate a client's need for the services of a trusted adviser to reestablish credit, procure reasonable interest rates and prepare tax forms.
By extolling the actions of our military in Iraq, we negate our teaching on the sanctity of human life and love of neighbor.