BRUISE

Bruise

A bruise, also called a contusion, is a type of hematoma of tissue in which capillaries and sometimes venules are damaged by trauma, allowing blood to seep, hemorrhage, or extravasate into the surrounding interstitial tissues. Not blanching on pressure, bruises can involve capillaries at the level of skin, subcutaneous tissue, muscle, or bone. Bruises are not to be confused with other lesions primarily known by their diameter. These lesions include petechia, purpura, and ecchymosis, all of which also do not blanch on pressure, and are caused by internal bleeding not associated with trauma .

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bruise

Noun

  1. A purplish mark on the skin due to leakage of blood from capillaries under the surface that have been damaged by a blow.
  2. A dark mark on fruit caused by a blow to its surface.

Verb

  1. To strike (a person), originally with something flat or heavy, but now specifically in such a way as to discolour the skin without breaking it.
  2. To damage the skin of (fruit), in an analogous way.
  3. Of fruit, to gain bruises through being handled roughly.
    Bananas bruise easily.
  4. To become bruised.
    I bruise easily.
  5. To fight with the fists; to box.


The above text is a snippet from Wiktionary: bruise
and as such is available under the Creative Commons Attribution/Share-Alike License.

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