A bone marrow procedure (commonly referred to as a bone marrow or bone marrow aspiration with or without biopsy) is a technique used to obtain the blood-forming portion (marrow) of the inner core of bone for examination in the laboratory or for transplantation.he bone marrow contains the different types of cells that give rise to red cells, white cells and platelets found in our blood. The marrow may also contain abnormal cells, proteins, or inflammatory processed that are not normally present, such as cancer cells.
For other uses, see Velcro (disambiguation). For discussion of the fastener, see Hook and loop fastener. Velcro Companies is a privately held company that produces a series of mechanical based fastening products, including fabric hook and loop fasteners, under the brand name Velcro.
See the original patent and drawings for the invention of Velcro. The invention of Velcro was created by Swiss engineer, George de Mestral. He received a patent from the Swiss government in 1955 and was subsequently granted patents from other countries around the world.he invention of Velcro was created by Swiss engineer, George de Mestral.