Later Development, Develop. Physiol., Dr. D. Penney

Table 3.18 - Adult Derivatives of Fetal Vessels and Structures Associated with the Fetal Circulation.

• Ligamentum teres - intra-abdominal portion of the umbilical vein.

• Ligamentum venosum - remnant of the ductus venosus, within the liver.

• Medial umbilical ligaments - intra-abdominal portions of the umbilical arteries (proximal parts persist as the superior vesical arteries).

• Limbus fossae ovalis (annulus ovalis) - rounded fold formed from lower edge of the septum secundum.

• Ligamentum arteriosum - formed from ductus arteriosus.

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