Liver Anatomy (Function, Topography, External Structures, Ligaments)
510,452
Published 2021-11-07
Introduction 0:00
The function of the Liver: 00:47
Topography of the Liver: 02:18
External Structures of the LIver: 04:22
Division of the LIver: 7:06
Porta Hepatis: 7:48
Coverings of the Liver 8:37
Ligaments Around the Liver 10:06
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Liver Function:
- Filter blood coming from digestive tract through the portal system
- Detoxification
- Digestive Function: Produces Bile
- Cholesterole Production
- Storage of fat and glycogen
- Blood sugar regulation
Topography of the Liver (Hepar):
- Holotopy: Right hypochondriac region, epigastric region, and left hypochondriac region.
- Skeletopy:
○ Superior border: Starts at the level of 10th rib, to the level of 5th intercostal space to the 5th intercostal space left to the sternum and ends at 6th intercostal space
○ Inferior border: starts at the 10th rib, goes to the level of 8-9th rib and then continues to the 6th intercostal space
○ Posteriorly: T9-T11
- Syntopy:
○ Superior border: Diaphragmatic Surface
○ Inferior border: Visceral surface
§ Pylorus of the stomach, Colon, Duodenum, Right kidney, Stomach, Esophagus
External Surface of the Liver:
- Anterior Liver:
○ Falciform Ligament (ligamentum falciforme)
○ Right lobe and left lobe
○ Inferior margin (margo inferior)
- Posterior Liver:
○ Posterior margin (margo posterior)
○ Bare Area (area nuda)
○ Right Sagittal Groove (sulcus sagittalis dexter) formed by groove for inferior vena cava (sulcus v. cavae) and fossa for the gall bladder (fossa vesicae biliaris)
○ Left Sagittal Groove (Sulcus Sagittalis sinister)
○ Round ligament of the liver (ligamentum teres hepatis)
○ Venous Ligament of the Liver (Ligamentum venosum)
○ Transverse Groove (Porta Hepatis)
Division of the Liver:
- Lobes of the Liver (Anatomical division of the liver):
○ Right Lobe
○ Left Lobe
○ Caudate Lobe
○ Quadrate Lobe
- Couinaud classification of liver (Surgical Classification)
Porta Hepatis:
- Common Hepatic Duct
- Hepatic Portal Vein
- Proper Hepatic Artery
- Hepatic Plexus
- Hepatic Lymph Nodes
- Hepatoduodenal Ligament (lig. hepatoduodenale)
Coverings of the Liver:
- Tunica Fibrosa
- Visceral Peritoneum (Tunica Serosa)
Ligaments around the Liver:
- Ligaments towards the diaphragm
○ Falciform Ligament (Lig. Falciforme Hepatis)
○ Coronary Ligament (Lig. Coronarium Hepatis)
○ Right Triangular Ligament (Lig. Triangulare Dexter)
○ Left Traingular Ligament (Lig. Triangulare Sinister)
- Ligaments towards organs:
○ Hepatogastric Ligament (Lig. hepatogastricum)
○ Hepatoduodenal Ligament (Lig. Hepatoduodenale)
○ Hepatorenal Ligament (Lig. Hepatorenale)
○ Round Ligament of the Liver (Lig. Teres Hepatis)
Sources used in this video:
- Memorix Anatomy 2nd Edition by Hudák Radovan (Author), Kachlík David (Author), Volný Ondřej (Author)
- Complete Anatomy by 3d4medical
- Biorender
- University notes and lectu
All Comments (21)
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You just have explained a whole 55 minutes lecture in one short video , you are a legend 👌
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Man everytime i find a problem in anatomy i find it's solution in your videos.. what a legend, even better than payed courses! İ tryed them all.. but those are integrated videos! جزاك الله خيراً ✨
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The editing in this vlog is top-notch. It feels like I'm right there with you on the adventure!
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how informative and easy to understand with the visuals. Thank you for making this video!
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Simply and honestly should say , Excellent work for medical improvement . Thanks
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I am a medical student from Yemen, and I thank you Taim for your useful and valuable videos 🇾🇪🧡 .
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im on the transplant service of my surgery rotation, and this was very helpful! Thank you x a million :)
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Thank you so much! I wish my instructors at school could give me the same lecture as you.
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Absolutely masterpiece!✨ 💪🏻👌🏻 Best simplified explanation video on liver I have seen so far ❤ Thank you so much 💖
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its one of the best visual presentation I've ever seen. thanks a lot.
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Thank you sir, the topography of the posterior aspect is so clear in this video
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I swear to God that your explanation is just FLAWLESSLY EXCELLENT. I can't thank you enough sir, your work is immaculate. BRAVO❤️❤️❤️❤️❤️❤️❤️
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Thank you! Your lectures are great; honestly!
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This is really wonderful,now all my numerous questions have been cleared answered within 13 minutes....great job
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This video is a godsend. My liver anatomy lectures were pretty bad. This video really helped me visualise the liver as a whole before zooming in to the smaller bits. Thank you so much!!
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Thank you so much for your great explanations 😊❤
