Umbilical cord is used in place of a bone marrow transplant in the treatment of blood disorders such as leukemia, with donations released for transplant through one registry, Netcord.org, passing 1,000,000 as of January 2013. Cord blood is used when the patient cannot find a matching bone marrow donor; this "extension" of the donor pool has driven the expansion of public banks. The umbilical cord in some mammals, including cows and sheep, contains two distinct umbilical veins. There is only one umbilical vein in the human umbilical cord. In some animals, the mother will gnaw through the cord, thus separating the placenta
Souffle (heart sound) the rush of blood through the dilated vessels of the uterus. On auscultation, uterine souffle may often be confused with funic souffle, which is a sharp, whistling sound that is synchronous with the pulse of the foetus. Therefore, the maternal pulse must be palpated simultaneously in order to confirm uterine souffle. Uterine souffle is considered as a probable objective sign of pregnancy. Funic souffle (also known as funicular or fetal souffle), is a blowing sound heard in synch with fetal heart sounds, and may originate from the umbilical cord. It has also been described as a sharp, whistling sound that