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.
basement membrane. directly beneath the cells of an epithelium tissue is a supporting noncellular layer, and beneath that is generally a layer of connective tissue. composed primarily of protein secreted by the epithelium cells, and although noncelluar, it is a cellular membrane that is a part of every living cell.ervous tissue. consists primarily of cells that are specialized for generating and transmitting electrical impulses throughout the body. it forms a rapid communication network for the body. this is located in the brain, the spinal cord, and the nerves that transmit information to and from various organs.