LIGAMENTUM DUCTUS VENOSI Meaning and
Definition
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The ligamentum ductus venosi is a fibrous band or structure found in the human body, specifically in the liver. It is a remnant of a fetal blood vessel known as the ductus venosus. During pregnancy, the ductus venosus serves the important function of connecting the umbilical vein, which brings oxygenated blood from the placenta to the fetus, to the inferior vena cava, a major vein that carries deoxygenated blood from the lower body to the heart.
After birth, the ductus venosus undergoes a series of changes, including constriction and compression, ultimately resulting in its functional closure. As this process occurs, the original blood vessel gradually transforms into a dense fibrous cord, known as the ligamentum ductus venosi. The ligamentum ductus venosi serves as a structural and supportive element, maintaining the anatomical integrity of the liver and connecting various liver lobes and tissues.
The ligamentum ductus venosi does not have any major physiological function after birth, as blood flow in the liver undergoes significant changes. Instead, its main purpose is to serve as a landmark in the liver for medical professionals performing procedures or surgeries, aiding in the identification and orientation of different liver structures.
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The remains of the ductus venosus which is obliterated at birth.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for LIGAMENTUM DUCTUS VENOSI
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- liganentum ductus venosi
