Noun: melaena
- Abnormally dark tarry faeces containing blood (usually from gastrointestinal bleeding)
"The patient's melaena suggested an upper GI bleed";
- melena
Derived forms: melaenas
Type of: BM, dejection, faecal matter [Brit, Cdn], faeces [Brit, Cdn], fecal matter [N. Amer], feces [N. Amer], ordure, stool
Encyclopedia: Melaena