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.
The basement membrane (membrana basalis) is a thin layer of basal lamina and reticular lamina that anchors and supports the epithelium and endothelium.Epithelium is a type of tissue that forms glands and lines the inner and outer surfaces of organs and structures throughout the body.he reticular layer lies inside the basal lamina and is composed of fibrous tissue. Principally, the basement membrane serves to tie the epithelium to the connective tissue beneath it.