Bone marrow: The soft blood-forming tissue that fills the cavities of bones and contains fat and immature and mature blood cells, including white blood cells, red blood cells, and platelets. Diseases or drugs that affect the bone marrow can affect the total counts of these cells.one marrow: The soft blood-forming tissue that fills the cavities of bones and contains fat and immature and mature blood cells, including white blood cells, red blood cells, and platelets. Diseases or drugs that affect the bone marrow can affect the total counts of these cells.
hooks (left) and loops (right). Velcro is a brandname and trademark owned by the Velcro Companies for hook-and-loop fasteners. Hook-and-loop fasteners have a hook side, which is a piece of fabric covered with tiny hooks, and a loop side, which is covered with even smaller and hairier loops.
HookandLoop.com is an online supplier of hook and loop straps, fasteners and manufacturer of custom VelcroÂ® brand fasteners and Duragrip brand products to suit any need for home or business. We realize that you have a choice in where you purchase your hook and loop products and we appreciate that you have chosen us.elcroÂ® brand fasteners and closures have become known for their many useful applications at home and in the commercial and industrial sectors and VelcroÂ® brand fasteners have become one of the most well-known hook and loop solutions. We are proud to be a premier distributor of their line of products.