Saccharomyces boulardii. Saccharomyces boulardii is a tropical species of yeast first isolated from lychee and mangosteen fruit in 1923 by French scientist Henri Boulard. S. boulardii (synonym: S. cervisiae var boulardii and Saccharomyces cerevisiae Hansen CBS 5926) is a yeast that could be assigned to the subtype of S. cerevisiae species.
Layers of the Stomach. Stomach has gastric pits, which has gastric glands that secrete acids. The mucosa forms folds called rugae that look like wrinkles and flatten as your stomach gets full. Here's more about the layers of the stomach. 1. Mucosa. This is the innermost layer of the stomach.
During the gastric phase of digestion, the muscles of your stomach wall flex to help mix together food particles, gastric juice and pepsin before the food moves on to your small intestine.uring the gastric phase of digestion, the muscles of your stomach wall flex to help mix together food particles, gastric juice and pepsin before the food moves on to your small intestine.