1 At a gross level, the small intestine is a long tube into whose lumen projects the plicae circularis, circular folds of the mucosal epithelium, lamina propria, muscularis mucosa, and submucosa.2  Villi, finger-like projections involving only the epithelium and lamina propria, project into the lumen. Villi, finger-like projections involving only the epithelium and lamina propria, project into the lumen. 2  They have a central lymphatic vessel known as a lacteal, which is crucial for the absorption of lipids from the intestine.
1 Get rid of any odor that may be coming from the plumbing pipes your dishwasher shares with the sink. 2  Pour a half a cup of baking soda down each sink drain. 3  Pour cups of vinegar down each drain until all the baking soda is washed away. 4  After 5 minutes, run very, very hot water down each of the drains. Baking soda absorbs odors as the plastic gets hot in the wash. 2  Check the temperature of the water at the sink and make sure you are using hot enough water. 3  You may have to raise the temp on your water heater. 4  Empty all dishes, etc. out of your dishwasher.
Allow the machine to run again to mix in the baking soda. Stop the washer at this point and allow the water to sit for 30 minutes to 1 hour. 3. While the hot water, vinegar, and baking soda are penetrating the grime and odors, use a clean cloth dipped in the vinegar water to wipe down your washer.