The Obama campaign has raised more than $118 million for the 2012 election, with nearly half coming from individuals giving in aggregate $200 or less, according to the Campaign Finance Institute.
The intestinal epithelium is the cell tissue that lines the large and small intestine. It serves primarily to take part in the digestive process, but it also takes part in the function of the immune system.The epithelium of the intestine is simple columnar, and is nonciliated.Epithelium is a tissue that is made up of a variety of types of cells. It covers the surface of the body and organs, as well as forming the inner lining of body cavities and hollow organs.he epithelium of the intestine is simple columnar, and is nonciliated. Epithelium is a tissue that is made up of a variety of types of cells. It covers the surface of the body and organs, as well as forming the inner lining of body cavities and hollow organs.
The epithelial tissue functions in secretion, excretion, absorption and protection. The stratified squamous epithelium, also known as epidermis, makes up the outer layer of skin, and it serves an important protective function. As these cells age, they create a layer of keratinized epithelium.eratinized epithelium may cause hardening of the cells of the stomach lining. The tissue that lines the esophagus is a type of non-keratinized epithelium. View slideshow of images above. Watch the Did-You-Know slideshow.