melanotic or melena - an overview Word of the day: Melena/
Word of the day: Melena melaena Melena refers to the black, "tarry" feces that are associated with upper gastrointestinal bleeding. The black color is caused by the hemoglobin in the blood Endoscopy showing mucosal changes in the duodenum that resembled Download Scientific Diagram Melena Springer Nature Link Differences between Melena and Hematochezia Melena is defined as: A) Bright red blood per rectum B) Black, tarry stool due to digested blood C) Yellow fatty stool D) Green mucus stool
Pay in 4 interest-free payments of $5.03 Learn more
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Aug 2 - Aug 7


