How a bone marrow transplant works \r\n \r\n A bone marrow or cord blood transplant replaces unhealthy blood-forming cells with healthy ones.There are two types of transplants autologous and allogenic. The role of bone marrow \r\n \r\n Marrow is the soft tissue inside bones that produces.Skip Navigation.ow a bone marrow transplant works \r\n \r\n A bone marrow or cord blood transplant replaces unhealthy blood-forming cells with healthy ones.There are two types of transplants autologous and allogenic. The role of bone marrow \r\n \r\n Marrow is the soft tissue inside bones that produces. Skip Navigation.
Vellum finish is typically a term used to describe the finish on paper stock. The two main types of vellum paper include vellum finish paper and translucent vellum paper. Novice crafters should be clear on the definitions in order to stock the correct type of paper for a specific paper craft.
Vellum is generally smooth and durable, although there are great variations depending on preparation and the quality of the skin. The manufacture involves the cleaning, bleaching, stretching on a frame (a herse), and scraping of the skin with a crescent shaped knife (a lunarium or lunellum). modern imitation is made out of cotton. Known as paper vellum, this material is considerably cheaper than animal vellum and can be found in most art and drafting supply stores. Some brands of writing paper and other sorts of paper use the term vellum to suggest quality.