An introduction to the XML Document Type Definition. What XML building blocks are defined in a DTD. How to define the elements of an XML document using DTD. How to define the legal attributes of XML elements using DTD. How to define XML entities using DTD. How to test for DTD errors while loading XML documents. Some DTD examples.
19 Jul, 2012 what is 0. The Basement membrane is a layer of fiber that is located under epithelium or endothelium. The epithelium is the tissue that lines the surfaces and cavities of organs, whereas the endothelium lines the inside of blood vessels.
It is exposed to air= dry membrane. It is considered an epithelial membrane. Mucous: Lines all body cavities that open to the exterior body surface. It is often adapted for secreation and absorbtion. Located in stratified squamous epithelium (mouth esophogus) and simple columnar epithelial (rest of digestive tract). It rests on loose connective tissue called Lamina propria.