Umbilical cord Folding -a purse string Chronic cavity Chorion Chorionic plate roca Child closure The placenta and the Umbilical cord > Amnion membrane covered >Cord muCOUs CT.3 Uterus Umbilical vessels yolk sac allantois Umbilical At birth 50-60 cm. 2cm diameter Umbilical cord Umbilical veIn Long -knots Placenta Fetal portion Maternal of placenta portion of Short- placenta detachment placentaUmbilical Cord ▪ Folding – a purse string closure ➢ Amnion membrane covered ➢ Cord: mucous CT, 3 vessels,yolk sac ,allantois ➢ At birth, 50-60 cm, 2cm diameter ➢ Long – knots ➢ Short – placenta detachment