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v. re·gressed, re·gressing, re·gresses
To have a tendency to approach or go back to a statistical mean. Psychology
To induce a state of regression in: techniques to regress a patient under hypnosis.

re·gres′sor n.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.


Cardiology A clinical trial–Regression Growth Evaluation Statin Study of the effect of pravastatin on progression or regression of CAD in symptomatic ♂ with hypercholesterolemia. See Lipid-lowering therapy, Pravastatin. Cf MAAS, PLAC I, PLAC II, 4S.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Let us now consider in more detail Meillassoux's claim that the infinite regress of sufficient reasons must be avoided.
In early work in this field, productivity change was explained in terms of technical change, and efficiency change but in this paper according to the mentioned discussion it has been convinced that present time value of money plays an influential role in showing the progress or regress of an entity; thus this factor should also be accounted for.
A regress, however, is only one of several different kinds of inquiries we might conduct in this context.
In section 3, I argue that the weak principle defended in section 1 and the facts about disagreement described in section 2 rule out the possibility that moral beliefs can serve as regress stoppers.
So what stops the regress of a posteriori justifications in this case is not your visual experience; rather it is the way that you form your beliefs on the basis of that visual experience.
The objectives of this funding round are to promote the development of a treatment to rapidly regress atherosclerotic plaque, a novel approach to treat cardiovascular disease and atherosclerosis, which remains one of the leading causes of death worldwide, and to support the development of a company capable of bringing a major innovative breakthrough to one of the main areas of need in human health.
The most likely possible explanation for this, according to the researchers, is that the natural course of some screen detected invasive breast cancers is to spontaneously regress.
Norwegian researchers say mammograms may lead to unnecessary treatments for breast cancer that might have regressed naturally, reviving the controversy over whether the screening should be done on a regular basis.
You're probably looking at six or seven different AKs--three have regressed and three others have taken their place," Dr.
In adults, HPV disease is more likely to progress and less likely to regress. Adolescents have primarily incident infection, whereas adults have a mixture of incident and prevalent infection--and prevalent infections are more likely to be persistent infections and less likely to regress over the short term than incident infections are.
More than half of low-grade squamous intraepithelial lesions in adolescents have regressed at 12 months; 91% regress by 36 months (Lancet 2004;364:1678-83).
Looking Back's regress and degeneration department unearthed this scene to celebrate St Patrick's Day, when Liverpool's new Irish Centre was opened in the former Wellington Assembly Rooms, Mount Pleasant, on February 2, 1965.