noun
- plural of melena; the passage of dark, tarry stools containing blood from the upper gastrointestinal tract
Usage: medical term; typically used in clinical or healthcare contexts
Examples
- The patient presented with melenas and abdominal pain.
- Melenas can indicate bleeding in the stomach or small intestine.
- The doctor noted the presence of melenas in the patient's medical history.
- Melenas are often a sign that requires urgent medical evaluation.