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.
View image. An abdominal muscle strain is a stretch or tear of a muscle in your belly. A strain may also be called a pulled muscle. You may strain your muscles during an activity like lifting or twisting or even hard coughing or sneezing.