Unofficial: pathology - Definition :malena is the passage of black tarry stool due to the presence of altered of blood. Couses of malena: 1 hookworm 2 ulcer -peptic ,typhoid, | Facebook
![Bowel Movement Color Changes: 3 Causes Your Stool Is Black | Gastrointestinal Disorders articles | Body & Health Conditions center | SteadyHealth.com Bowel Movement Color Changes: 3 Causes Your Stool Is Black | Gastrointestinal Disorders articles | Body & Health Conditions center | SteadyHealth.com](https://userfiles.steadyhealth.com/images/articles/bowel-movement-color-changes-3-causes-your-stool-is-black.jpg)
Bowel Movement Color Changes: 3 Causes Your Stool Is Black | Gastrointestinal Disorders articles | Body & Health Conditions center | SteadyHealth.com
![Bowel Movement Color Changes: 3 Causes Your Stool Is Tarry | Gastrointestinal Disorders articles | Body & Health Conditions center | SteadyHealth.com Bowel Movement Color Changes: 3 Causes Your Stool Is Tarry | Gastrointestinal Disorders articles | Body & Health Conditions center | SteadyHealth.com](https://userfiles.steadyhealth.com/images/articles/bowel-movement-color-changes-3-causes-your-stool-is-tarry.jpg)