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).
Stomach - Part 2 : The inner-layers of the Stomach. The layers of the stomach shown in the diagram on the left are (from the centre of the stomach outwards): Lumen of the Stomach. Mucosa - has three layers and also contains the gastric pits (openings of passageways that extend towards the inner stomach wall) Mucosal Layer - Mucosal epithelium.