The chemical structure of prodigiosin has been unveiled.Serratia are capable of thriving in diverse environments, including water, soil, and the digestive tracts of various animals.S marcescens has a predilection for growth on starchy foodstuffs, where the pigmented colonies are easily mistaken for drops of blood.
In the gastrointestinal tract, the submucosa is the layer of dense irregular connective tissue or loose connective tissue that supports the mucosa, as well as joins the mucosa to the bulk of overlying smooth muscle (fibers running circularly within layer of longitudinal muscle).n the gastrointestinal tract, the submucosa is the layer of dense irregular connective tissue or loose connective tissue that supports the mucosa, as well as joins the mucosa to the bulk of overlying smooth muscle (fibers running circularly within layer of longitudinal muscle).
The gastric mucosa is the mucous membrane layer of the stomach which contains the glands and the gastric pits.In humans it is about 1 mm thick and its surface is smooth, soft, and velvety. It consists of epithelium, lamina propria, and the muscularis mucosae.he gastric mucosa is the mucous membrane layer of the stomach which contains the glands and the gastric pits.