When covered by a single layer of mesothelial cells, it is called the serosa. Small Intestine The mucosa of the small intestine is characterized by mucosal folds (plicae circulares, or valves of Kerckring) and villi. The mucosal folds are composed of mucosa and submucosa.hen covered by a single layer of mesothelial cells, it is called the serosa. Small Intestine The mucosa of the small intestine is characterized by mucosal folds (plicae circulares, or valves of Kerckring) and villi. The mucosal folds are composed of mucosa and submucosa.
The Big Chill. Tired eyes wake up fast when you give them a dose of cold. If youâre feeling brave and want the quickest relief, dunk your face into a large bowl filled with ice water. For a less bracing experience, soak a washcloth in cold water, then lie down with the cloth over your eyes for 10 to 15 minutes.
How to Remove Upper Lip Pigmentation. The ascorbic acid in fresh limes can help lighten discolorization of the upper lip. Photo Credit limes image by dethchimo from Fotolia.com. Skin discoloration, or hyperpigmentation, can leave you with unattractive dark areas on your face.ombine 1/8 cup of fresh lemon juice, 1/8 cup of honey and 1/8 cup of plain yogurt, stir well and apply to your upper lip for 30 minutes once a day for six weeks. The ascorbic acid in the lemon juice works as a natural lightener.