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.
VELCRO Brand Sticky Back for Fabrics is an easy to apply peel and stick fastener that provides a permanent bond to fabrics with no sewing, gluing or ironing required. Fabric bond withstands laundering. Our durable VELCRO Brand closures can be reused hundreds of times. Key uses: quick fixes for hems, shoulder pads, collars, sleeves, wardrobe gaps, costumes, personalizing fabrics with embellishments, accessorizing and attaching patches. Designed for use with cottons, polyester, poly blends, and nylon.