bruise

(noun)

A purplish mark on the skin due to leakage of blood from capillaries under the surface that have been damaged by a blow.

Related Terms

  • jaundice
  • melasma

Examples of bruise in the following topics:

  • Black Eye

    • A black eye (periorbital hematoma) is a generally mild injury caused by bruising around the eye commonly due to an injury to the face.
    • A black eye (periorbital hematoma) or "shiner" is bruising around the eye that is commonly due to an injury to the face rather than to the eye.
    • The name is given due to the color of bruising caused by bleeding beneath the skin and around the eye.
    • As this blood is reabsorbed, various pigments are released that alter the appearance of the bruise .
    • As blood is reabsorbed, different pigments alter the color of the healing bruise.
  • Skin Color as a Diagnostic Clue

    • Changes in skin color can be diagnostic of trauma (bruising), environmental, or physiological changes (jaundice, melasma, and liver spots).
    • Changes in skin color can be diagnostic of trauma, such as a bruise, or other changes in physiological condition, such as melasma, and liver spots.
    • As time progresses, blood seepage causes the bruise to darken and spread.
    • As these products are cleared from the area, the bruise disappears.
    • The presence of bruises may be seen in patients with platelet or coagulation disorders.
  • Pulled Hamstring and Charley Horse

    • Grade 3 - Bruising due to strained hamstring, horizontal lines show where bandage was.
    • After a few days with grade two and three injuries a large bruise may appear below the injury site caused by the bleeding within the tissues.
  • Patellofemoral Stress Syndrome

    • The result is thinning and softening of the articular cartilage under the patella and/or on the medial or lateral femoral condyles, synovial irritation and inflammation, and subchondral bony changes in the distal femur or patella known as "bone bruises".
  • Skin Color

    • Finally, the skin may have red, black, blue, purple, and green bruises—all as a result of the escape of blood into surrounding tissues. 
    • As the blood (namely, the hemoglobin) disintegrates and is processed and removed by various cells, it and the bruise changes color with time.
  • Hemostasis Disorders

    • People with type 1 and type 2 von Willebrand disease may have the following mild-to-moderate bleeding symptoms: easy bruising, nosebleeds, bleeding from the gums after a dental procedure, heavy menstrual bleeding in women, blood in their stools or urine, and excessive bleeding after a cut or other accident or surgery.
    • Since people with hemophilia do not have the ability to make blood clots, even a small cut can result in severe bleeding, or the smallest bump or jar to the body could cause severe bruising that does not heal for months.
  • Ovarian Cysts

    • Strange nodules that feel like bruises under the layer of skin.
  • Cardiopulmonary Resuscitation (CPR)

    • Chest compressions are capable of causing significant local blunt trauma, including bruising or fracture of the sternum or ribs.
  • Cystitis

    • It is due to bruising of the bladder, usually by abnormally forceful sexual intercourse.
  • Hypothesis testing for two proportions exercises

    • Exercise 6.23 introduces a "social experiment" conducted by a TV program that questioned what people do when they see a very obviously bruised woman getting picked on by her boyfriend.
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