Melena definition

mə-lēnə
The passage of black, tarry stools composed largely of blood that has been acted on by gastric juices, indicative of bleeding in the upper digestive tract.
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The passage of black, tarry stools composed largely of blood that has been acted on by gastric juices, indicative of bleeding in the upper digestive tract.
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A passage of dark, tarry stools containing blood, as the result of upper gastrointestinal bleeding.
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Alternative Forms

Alternative Form of melena - melna, melaena

Origin of melena

  • New Latin melēna from Greek melaina feminine of melās black

    From American Heritage Dictionary of the English Language, 5th Edition

Melena Sentence Examples

  • Although there are many different canine health problems that cause a bloody stool, professionals classify them under two main types, hematochezia and melena.

  • At the first sign of melena, it is important to have your dog checked by its veterinarian.

  • Melena generally keeps recurring and worsens with time.

  • There are many causes of melena and most of them are very serious.

More sentences

Words near melena in the Dictionary