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The discharge of stools colored black by altered blood.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.



formless, viscous, black stools, resembling pitch; one of the most important symptoms of internal hemorrhage in the digestive tract.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
Majority of patients with gastritis of any cause present with recurrent abdominal pain followed by vomiting and hematemesis or melena. Most common presentation in this study was abdominal pain characteristically involving epigastrium followed by vomiting, hematemesis and melena.
vannamei exposed to WSV and IHHNV via intramuscular injection (Melena et al., 2006, 2015).
We report herein a case of melena and severe anaemia in a middle-aged farmer, seen in May 2015, where the diagnosis of hookworm was delayed due to the unusual presentation of overt bleeding usually not seen with intestinal helminthic infections.
A previously documented case of severe anemia due to Brunner's gland hamartoma was reported to present with similar symptoms of lightheadedness and melena and a hemoglobin level of 61 g/L (3.8 mmol/L).
The $6 million will divvy up as such: $3 million to buy new automated ovens, $1.5 million to the state government and courts, and $1.5 million to the family of Melena. Aside from the gruesome details of the case, the workplace safety violations are ones other businesses should do well to take note of.
Out of these, 30 DFM positive animals were showing clinical symptoms of fever, icterous, anorexia, vomiting, melena and haematuria for which detailed haemato-biochemical examination was conducted.
However after the treatment he still presented with recurrent melena and bloody stool and consequent anemia.
de la Melena provided future growth projections for minority owned businesses in Arizona, where Hispanic-owned firms now number over 67,000 and minority-owned businesses are growing three to four times faster than other business classes.
Significant bleeding was seen in form of melena 15(8%), bleeding gums 5(6%), epistaxis 8(10%) and hematemesis (3) (4%).
She films Melena constantly singing the Brit band's songs at their home in Long Island, New York.