Round ligament of liver or ligamentum teres
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- เผยแพร่เมื่อ 12 ก.ย. 2024
- The liver has a bunch of peritoneal structures, ligaments, bare areas and whatnot. Some of the ligaments are from peritoneum, but some are from blood vessels. Do you know what foetal blood vessels are associated with the liver and close up after birth?
Let's look at the falciform ligament and remind ourselves how it is made, and where it is. Then we can look for the round ligament of the liver, also known as the ligamentum teres, and see it run towards the portal veins. The round ligament of the liver was the umbilical vein, so it runs from the umbilicus to the portal vein and carried blood from the placenta.
There is another vein that helps this blood from the umbilical vein bypass the liver. This was the ductus venosus and closes up to become the ligamentum venosum after birth. We can find this on the posterior surface of the liver too.
This anatomy explains one of the portosystemic anastomoses - a link between blood passing back to the inferior vena cava via the liver and the portal vein, and blood passing back to the circulatory system in a more direct manner. In fibrosing liver diseases it can become harder for blood to pass through the liver, raising the pressure of blood in the portal vein. Blood will then begin to flow through portosystemic anastomoses to get back to the systemic circulation from the gastrointestinal tract. What does this mean for the round ligament of the liver? Caput medusae.
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These lectures are always Super clear and informative, whenever I got a problem with anatomy, especially arteries, veins, ligaments, and muscles I come to your lectures 😁may Allah bless you with Islam, thanks much.
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Belgas 313 I greatly appreciate your compliment that you follow me on Instagram. I do believe our bodies are the biggest miracle & complex machine. I’m very blessed to have come across Dr. Sam Webster! He’s a genius & love his sense of humor and easy explanations!
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Hi! Great video. Would appreciate if you could continue to discuss embryology in your videos
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Thank you! This was great and easy to understand!
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Bunch of love from my visceral surface of liver ❤️
Sir I suppose, at 9:15 you meant to say ligamentum venosum, but you said arteriosum instead. Amazing work as usual anyways.
Also I meant to ask, have you published a video on remnants of umbilical arteries yet?
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Very clear explanation of some confusing embryology concepts to a med student, thanks Sam! Just curious are you a doctor/surgeon/anatomist?
Anatomist. BSc in anatomical science, PhD in molecular, cell and developmental biology. Still feel like an idiot most of the time.
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Legend Sam, Thank you for this video as well! Respect and love from Pakistan!
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Did you make a video on ductous areterosus and ductous venousus ti make us understand more about liver in future separate videos
First watch.
First comment
Did both the things are same round ligaments of uterus and liver
Did both of them arises from same place or ligamentum teres of liver is a remnant of round ligaments of uterus
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