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.
DuraGripÂ® brand display loop and wide VELCROÂ® Brand Loop 3001 and 3610 are wide loop products for pedal boards, display panels, and other large displays. VELCROÂ® Brand Loop 3001 is available in 24â (in Black only) and 54â widths in Black and White. This wide loop is similar to the standard Loop 1000 woven nylon.