You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Which of the following structure in foetal life becomes ligamentum teres in adult life? and explain in detail?
The left umbilical vein persists as a channel that carries blood from the placenta through ductus venosus to the hepatic poion of the inferior venacava (IVC) while the right umbilical vein regresses. After bih, the left umbilical vein forms the ligamentum teres and the ductus venous the ligamentum venosum respectively.