Singapore Cord Blood Bank services, but retain ownership over the use of their cord blood. Cord blood is the blood that circulates through the umbilical cord from the foetus to the placenta. After delivery, the placenta is almost always thrown away. Yet this humble umbilical cord has become a life saving and precious commodity, because cord blood is rich in blood stem cells. Blood stem cells are young or immature cells that can transform into other forms of essential blood cell types (pluripotent), such as red blood cells, white blood cells and platelets. The use of blood stem cells has emerged as a potentially
Studies of the Fetus in the Womb imbricato" ("Ask Biagino Crivelli's wife how the capon rears and hatches the eggs of hens when he is unplucked"). Da Vinci theorized that the umbilical cord was responsible for taking the fetus’ urine outside of the uterus. The studies were initially bequeathed to Francesco Melzi. In c. 1582–90 they were bought from his heirs by Pompeo Leoni and by 1630 they belonged to Thomas Howard, 2nd Earl of Arundel. Since 1690 the studies have been housed in the Royal Collection, United Kingdom. Studies of the Fetus in the Womb Studies of the Fetus in the Womb are two colored annotated