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.
Weâve all been there: You catch a glimpse of yourself in the mirror and see the eyes of a tired woman staring back at you. But a full night of shut-eye isnât enough to erase those dark circles, says Charlotte Clark, a dermatologist in New York City. It may help diminish their appearance a bit, but to get rid of circles for good, first consider their source. RELATED: Try This Healthy, Cheap Late-Night Snack