Dictionary > Exudate

Exudate

Definition
noun, plural: exudates
A fluid containing solutes, proteins, cells, or cellular debris discharged into nearby tissues or on tissue surfaces, caused by inflammation or injury
Supplement
An exudate is a bodily fluid that oozes out or is discharged from the tissues during inflammation. The fluid exudes out via the pores or a wound. It may be cloudy or pus-like. It contains exudate cells (e.g. white blood cells), serum, and fibrin.
In animals and humans, an exudate is any of the fluid oozing out from the blood vessels, especially as a result of a lesion or inflammation. When infection is present, the discharged fluid may contain white blood cells. A purulent exudate is one in which there are numerous active and dead neutrophils. Fibrinous exudate is one that is comprised mainly of fibrinogen and fibrin. In instances wherein there is vascular damage, red blood cells may also escape and be found in the exudate.
Plant exudates include viscous materials seeping from interstices or pores. Examples of exudates include saps, gums, resins, and latex.
Word origin: Latin exsūdāre ex– (out) + sūdāre (to sweat)
Compare:

Related term(s):

  • exudate cell
  • exudation
  • exudative
  • exude
  • Fibrinous exudate
  • Hemorrhagic exudate
  • Purulent exudate
  • Serous exudate
  • Suppurative exudate
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