title: Umbilical cord blood used to build human heart valves in laboratory.
mesh_terms: D002657:Child Development / Q000502:physiology; D005312:Fetal Blood / Q000166:cytology / Q000502:physiology*; D048091:Guided Tissue Regeneration / Q000379:methods; D006330:Heart Defects, Congenital / Q000628:therapy; D006351:Heart Valves / Q000254:growth & development / Q000502:physiology*; D006801:Humans; D007231:Infant, Newborn; D007753:Laboratories; D023822:Tissue Engineering / Q000379:methods*