Fetal-Postnatal Derivatives


Some important fetal structures and their postnatal counterparts follow:

  • Allantois → urachus—median umbilical ligament (Note: urachus is part of allantoic duct between bladder and umbilicus.)
  • Ductus arteriosus → ligamentum arteriosum
  • Ductus venosus → ligamentum venosum
  • Foramen ovale → fossa ovalis
  • Notochord → nucleus pulposus
  • UmbiLical arteries → mediaL umbilical ligaments
  • Umbilical vein → ligamentum teres hepatis (Note: contained in falciform ligament.)
Hello! I am Dukagjin Zeqiraj from Kosovo. I have finished Medical Faculty in Prishtina ( capital city of Kosovo). Now I live in Pristina and I work in QKMF Podujeve (family medicine center). Tel: +38344311154