What is the difference between simple and stratified epithelium?

Answer

A simple epithelium has cells that form a single layer that are attached to the basement membrane. A stratified epithelium, on the other hand, consists of multiple layers of cells where only the basal layers are attached to the basement membrane.

The epithelium is one of the four major tissues in the body. It is made up of cells that are usually arranged in sheets or tubules that are connected to the underlying basement membrane. The epithelium serves as a covering for a number of internal and external surfaces of the body, and it can form glandular structures.

Different types of epithelia are classified according to the shape of the cells and whether or not the cells are layered. A simple epithelium may also appear as stratified and this type is classified as "pseudostratified epithelium." The cells that make up the epithelium are classified according to shape. These classifications are squamous (flat), cuboidal and columnar.

Reference:
Q&A Related to "What is the difference between simple and stratified..."
Compound epithelia have different types of cells present. They would send cells up from the basement layer to replace lost cells. Well the cells in the basement layer will migrate
http://answers.yahoo.com/question/index?qid=200702...
So, think of parts of the body where stratified and simple epithelium line. The stomach and small intestine, for example, are lined with simple epithelial tissue, but the skin, vagina
http://wiki.answers.com/Q/Does+stratified+epitheli...
The function differs as
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The biggest difference between simple and stratified tissue is that simple tissue is one layer thick while stratified tissue is multi-layered. All epithelial tissue rests on a basement
http://www.ehow.com/info_8551195_differences-simpl...
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