1 Electromagnetic coil, formed when a conductor is wound around a core or form to create an inductor or electromagnet.  Ignition coil, an electromagnetic induction coil used in internal combustion engines to create a pulse of high voltage for a spark plug.
systemic circulation the general circulation, carrying oxygenated blood from the left ventricle to the body tissues, and returning venous blood to the right atrium. umbilical circulation fetal circulation through the umbilical vessels. vitelline circulation the circulation through the blood vessels of the yolk sac.
Umbilical cord blood is a rich resource of hematopoietic stem cells. These stem cells are the building block cells of blood, tissue and organs. They are the earliest cells found in the fetus, which then replicate efficiently and rapidly to create more blood, liver tissue, heart tissue, etc.