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.
How to Clean Velcro. Six Methods: Living with it Using your fingers Using sharp objects Brushing the Velcro Washing the Velcro Tape. Velcro, or hook-and-loop, is a handy, quick fastener that has grown into near ubiquitous use.The hook side engages the loops for a secure grip, but it can also pick up all sorts of lint, hair, and fuzz.elcro, or hook-and-loop, is a handy, quick fastener that has grown into near ubiquitous use. The hook side engages the loops for a secure grip, but it can also pick up all sorts of lint, hair, and fuzz.