His âsix defining characteristicsâ are as follows: 1  1. âA discourse community has a broadly agreed set of common public goals.â. 2  2. âA discourse community has mechanisms of intercommunication among its members.â. 3  3. âA discourse community uses its participatory mechanisms primarily to provide information and feedback.â.
Causes of Similar Symptoms to Dark stool in children. Research the causes of these symptoms that are similar to, or related to, the symptom Dark stool in children: 1  Stomach bleeding (4 causes). 2  Rectal bleeding (324 causes). 3  Internal bleeding (22 causes). 4  Peptic uler. 5  Gastritis (39 causes).
Black Stools (Not Sticky, No Odor) Causes of black stool include iron pills or bismuth-containing medications (such as, bismuth subsalicylate or Pepto-Bismol). If the stool color is dark because of any of these medications, it is typically not sticky in texture and is not foul-smelling. Black Tarry, Sticky Stools. Bleeding in the stomach (from gastritis or an ulcer) or the intestines can change the color of stool. If bleeding occurs in the stomach or the upper part of the small intestine, the stool may turn black and sticky, and be described medically as black, tarry stool (melena).