The umbilical cord is the communicating channel between the placenta and the foetus. It sends waste products from the foetus to the placenta and returns the blood from the placenta to the foetus. At birth the arteries in the umbilical cord constrict and close, stopping the blood flow to the placenta. Soon after the birth the umbilical cord is cut short and securely clamped. Research Umbilical Cord
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Matt and Leela Probert
Abbreviations
Research Umbilical Cord
