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.
Medical Definition of BASEMENT MEMBRANE. 1. : a thin extracellular supporting layer that separates a layer of epithelial cells from the underlying lamina propria and is composed of the basal lamina and reticular lamina.2. : basal lamina. a thin membranous layer of connective tissue that separates a layer of epithelial cells from the underlying lamina propia. ADVERTISEMENT. noun baseÂ·ment membrane \ËbÄ-smÉnt-\. 1.