#umbilical_cord__umbilicalcord  membranous duct connecting the fetus with the placenta
  supertype:  duct  funiculus  fetal_membrane
  part:  umbilical_vein
  part of:  conceptus__conceptu__embryo__fertilized_egg  an animal organism in the early stages of growth and differentiation that in higher forms merge into fetal stages but in lower forms terminate in commencement of larval life
  part of:  fetus__fetu__foetus  an unborn or unhatched vertebrate in the later stages of development showing the main recognizable features of the mature animal

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