A blood stem cell may become a myeloid stem cell or a lymphoid stem cell. A lymphoid stem cell becomes a white blood cell. A myeloid stem cell becomes one of three types of mature blood cells: 1  Red blood cells that carry oxygen and other substances to all tissues of the body. blood stem cell may become a myeloid stem cell or a lymphoid stem cell. A lymphoid stem cell becomes a white blood cell. A myeloid stem cell becomes one of three types of mature blood cells: 1  Red blood cells that carry oxygen and other substances to all tissues of the body.
Snow Hill is a town in and the county seat of Worcester County, Maryland, United States. The population was 2,103 at the 2010 census. It is part of the Salisbury, Maryland-Delaware Metropolitan Statistical Area.
Washington County is a county located in the western part of the U.S. state of Maryland. As of the 2010 census, the population was 147,430. Its county seat is Hagerstown. Washington County was the first county in the United States to be named for the Revolutionary War general (and later President) George Washington. Washington County is one of three Maryland counties recognized by the Appalachian Regional Commission as being part of Appalachia.