(redirected from exudates)
Also found in: Dictionary, Thesaurus, Medical.


A proteinaceous material that passes through blood vessel walls into the surrounding tissue in inflammation or a superficial lesion.
Any substance that is exuded.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.



fluid exuded by small blood vessels during an inflammation that contains protein, leukocytes, erythrocytes, minerals, cellular elements and, frequently, the microbes that caused the inflammation. Any inflammation may give rise to an exudate, which will saturate the surrounding tissues or collect in the body cavities. By compressing the surrounding organs and tissues an exudate may interfere with their function. An exudate helps to spread the infection when it escapes into the tissues from the focus of inflammation. There are serous, purulent, bloody, and fibrinous exudates, depending on the dominant elements. If treated promptly and correctly, an exudate is completely resorbed without leaving any changes after it. An exudate must be distinguished from edematous fluid (transudate), which collects in the body cavities and tissue interstices following the development of an edema.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
Baluska (Eds.), Secretions and Exudates in Biological Systems, Signaling and Communication in Plants (pp.
Dilated fundus examination of the left eye revealed multiple telangiectatic and irregular, dilated aneurysmal retinal vessels, subtotal exudative retinal detachment with extensive deep and subretinal lipid exudates with a well-defined macular edema as shown in [Figure 1].
In addition, for a wound dressing to be of good quality, it needs to have specific properties including the ability to maintain a moist environment, absorb exudate, minimise maceration to the edges of the wound, permit exchanges of bodily gas, be easy to remove, and minimise pain from the wound [3, 4].
Fundus examination showed apparent sclerosis of the RAM, with persistent lipid exudate in the macula (Figure 3(a)).
Pleural cholesterol in differentiating transudates and exudates: a prospective study of 232 cases.
"Retinal image analysis based on mixture models to detect hard exudates"- Med Image Anal., 13(4): 650-658.
A large number of experimental studies show that root exudates can change the soil environment by regulating pH value, precipitation, stability and chelating, so as to affect the plant's absorption and utilization of nutrients (Yang et al., 2011).
Housing of mares susceptible to uterine infection in vicinity of breeding stallions induces endogenous release of Oxytocin and assists in clearance of uterine exudates (Madill et al., 2002).
The volume of pleural exudates in the control group was 1.25 [+ or -] 0.104 ml.
Prediction of the germination of soybean seeds by measurement of the pH of seed exudates. Seed Science and Technology, v.14, n.1, p.151-156, 1986.
* Albumin gradient (serum albumin minus PE albumin) <12g/L for exudates and >12g/L for transudates