. "membranous duct connecting the fetus with the placenta"@en-us . "umbilical cord"@en-us . "05520479-n"^^ . "0.0861652"^^ . "105520479"^^ . . "0"^^ . . "0.0649806"^^ . . "0.184643"^^ . . . "umbilical cord"^^ . . . "104275976"@en-us . . "umbilical"@en-us . "0.26775"^^ . . . . . "105204356"@en-us . . . "0"^^ . "0.0547031"^^ . "0.0"^^ . "0.259854"^^ . . "0.0819042"^^ . . .