A feces and droppings symptom that is characterized by the passage of dark tarry stools containing decomposing blood that is usually an indication of bleeding in the upper part of the alimentary canal and especially the esophagus, stomach, and duodenum. [ url:http://www.merriam-webster.com/medlineplus/melena ]
Term information
A feces and droppings symptom that is characterized by the passage of dark tarry stools containing decomposing blood that is usually an indication of bleeding in the upper part of the alimentary canal and especially the esophagus, stomach, and duodenum.