extramedullary hematopoiesis. the formation of and development of blood cells outside the bone marrow, as in the spleen, liver and lymph nodes. fetal hematopoiesis. in embryogenesis migration of stem cells from the yolk sac blood islands sets up hematopoiesis in thymus, lymph nodes, liver and spleen.When fetal bone develops a marrow cavity hematopoiesis is similarly established.etal hematopoiesis. in embryogenesis migration of stem cells from the yolk sac blood islands sets up hematopoiesis in thymus, lymph nodes, liver and spleen. When fetal bone develops a marrow cavity hematopoiesis is similarly established.
A circuit court judge is elected for an eight-year term by a majority vote of both houses. of the General Assembly. If the General Assembly is not in session when a vacancy occurs, the. Governor temporarily appoints a judge (interim appointment) to serve until the General.
Judges of the Court. The Fourth Circuit is authorized to have 15 active circuit judges. All of the court's judgeships are currently filled. The court is also served by two senior judges who participate in the work of the court. A listing of all Article III vacancies in the federal courts is available from www.uscourts.gov.