File:Embryological development of the human venous system.png
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current | 11:20, 15 February 2024 | 2,980 × 1,672 (1.37 MB) | Rasbak | {{Information |description= Figure 1. Embryological development of the human venous system. (A): The embryo demonstrates the development of paired sets of ‘vitelline’ and ‘umbilical’ veins in its fifth week, which initially drain the yolk sac and allantois. (B): At 4 weeks there are three symmetric paired veins: the umbilical veins, vitelline veins and cardinal veins. All three systems converge into the sinus venosus. (C): Liver cords develop into the septum transversum and interrupt the cran... |
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