A modality is the way or mode in which something exists or is done. You might often see it used with reference to diagnostic modality, which is the way in which a disease or illness is diagnosed by a doctor. Modality shares its root with the word mode, meaning the way in which something happens or is experienced.. A sensory modality is a way of sensing, like vision or hearing. Modality in someone's voice gives a sense of the person's mood.
Some of the causes of slow bowel movements, whether clearly defined as constipation or not, includes 1  : Dehydration. 2  Depression. 3  Eating disorders.  Hypothyroidism â underactivity of the thyroid 1  gland. Hemorrhoids.  Inflammatory bowel disease (IBD) â active phases always present with diarrhea.
Small bowel obstruction is a potentially dangerous condition. There are a number of conditions in which the contractions of the bowel muscles make the process of moving the food very slow. These can be annoying and impact the quality of life. mechanical â there is a blockage preventing the movement of food.