Causes of Piriformis Syndrome. Piriformis syndrome is caused by overuse of the piriformis muscle in the buttocks. Tight adductor muscles on the inside of the thigh exacerbate piriformis muscle inflammation and accompanying bursitis.auses of Piriformis Syndrome. Piriformis syndrome is caused by overuse of the piriformis muscle in the buttocks. Tight adductor muscles on the inside of the thigh exacerbate piriformis muscle inflammation and accompanying bursitis.
Escherichia coli, one of the many species of bacteria present in the human gut. Gut flora (gut microbiota, or gastrointestinal microbiota) is the complex community of microorganisms that live in the digestive tracts of humans and other animals, including insects. The gut metagenome is the aggregate of all the genomes of gut microbiota. The gut is one niche that human microbiota inhabit.
The gastro-intestinal tract of mammals consists of four main layers, the mucosa, submucosa, muscularis and serosa. The innermost of these layers, the mucosa can be divided into the epithelium, lamina propria, and muscularis mucosa. The epithelial lining may be protective, secretory, and/or absorptive in function.