define melanotic stools What Causes Black or Tarry Stool? Melena - Wikipedia
Melena Wikipedia The Quantity of Blood Required to Produce a Tarry Stool. How much? Melena, characterized by black tarry stools, can occur with as little as 50 cc of blood in the stomach. How 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 Melena, Causes, Signs and Symptoms, Diagnosis and Treatment Black or Tarry Stools UF Health
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