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
Women in the Bible saw her, he thought she was a prostitute, for she had covered her face. Not realizing that she was his daughter-in-law, he went over to her by the roadside and said, 'Come now, let me sleep with you'."(Genesis 38:14) He said he would give her something in return and she asked for a pledge, accepting his staff and his seal with its cord as earnest of later payment. So Judah slept with her and she became pregnant. Then she went home and put on her widow's weeds again. Months later when it was discovered she was pregnant, she was accused