melena
- noun
- /məˈliːnə/
- Specialized
- The doctor carefully examined the patient, noting that he had passed melena indicating possible gastrointestinal bleeding.
Examples
-
After several days of stomach pain, she was alarmed to discover that her feces contained melena, which prompted a visit to the hospital.
-
If bleeding is heavy, hematemesis, hematochezia, or melena may occur.
Academic text (2005) -
He presented to the hospital with a myocardial infarction and gave a history of melena.
Academic text (2007) -
Iron has a direct corrosive effect on the mucosa of the GI tract, leading to nausea and vomiting, diarrhea, melena, and hematemesis.
Academic text (2007) -
The emergence of melena in his stool led the physician to suspect a serious internal issue requiring immediate attention.
Surface Forms
Etymology
Melena comes from the Greek root melan- (from melas) meaning 'black'. So melena refers to very dark, tar-like stool that looks black because the blood has been changed as it passes through the stomach or intestine.