inferior vena cava anatomy

The inferior vena cava is actually made of two large veins known as the common iliac veins. The IVC ascends through the posterior abdominal region on the right side of the abdominal aorta. In rare cases, straining associated with defecation can lead to restricted blood flow through the IVC and result in syncope (fainting). Dari sana darah dipompa ke paru-paru untuk mendapatkan oksigen sebelum pergi ke sisi kiri jantung untuk dipompa kembali ke tubuh. Inferior Vena Cava: This vein brings de-oxygenated blood from the lower body regions (legs, back, abdomen and pelvis) to the right atrium. The inferior vena cava is formed at the point of union of the right and left common iliac veins at the L5 vertebral level. Lorem ipsum dolor sit amet, sapien platea morbi dolor lacus nunc, nunc ullamcorper. The inferior vena cava is formed by the confluence of the two common iliac veins at the L5 vertebral level. The inferior vena cava is formed by the coming together of the two major veins from the legs, the common iliac veins, at the level of the fifth lumbar vertebra, just below the small of the back. Shown are the hepatic veins, inferior vena cava, aorta, iliac veins, and inferior epigastric veins. Gross Anatomy . It collects blood from veins serving the tissues inferior to the heart and returns this blood to the right atrium of the heart. [1][3] It passes to the right of the descending aorta.[3]. The valve of the inferior vena cava is a rudimentary fold present at the anteroinferior margin of the IVC orifice within the right atrium. These veins come together in the abdomen, helping to move blood from the lower limbs back up to the heart. The IVC starts in the lower back where the right and left common iliac veins (two major leg veins) have joined together. The inferior vena cava (IVC) begins at the confluence of the common iliac veins and ascends on the right side of the vertebral column, passes through the tendinous portion of the diaphragm, and after a short course (approximately 2.5 cm) in the chest it terminates in the right atrium at the level of T9. Medline, Google Scholar; 35 Kew MC, McKnight A, Hodkinson J, Bukofzer S, Esser JD. Reading Time: Overview; Gross Anatomy; Clinical Anatomy; Quick Anatomy; ... Clinical Anatomy. : Treasure Island, FL: StatPearls Publishing; 2019. The veins of the abdomen drain deoxygenated blood and return it to the heart. Gross anatomy. We think this is the most useful anatomy picture that you need. Health problems attributed to the IVC are most often associated with it being compressed (ruptures are rare because it has a low intraluminal pressure). It passes through the thoracic diaphragm at the caval opening at the level of T8. He is an assistant professor at the University of California at Irvine Medical Center, where he also practices. The corresponding vein that carries deoxygenated blood from the upper half of the body is the superior vena cava. Inferior Vena Cava Filter Placement and Removal. In between 0.2% to 0.3% of people,[5] the inferior vena cava may be duplicated beneath the level of the renal veins. An IVC filter stops blood clots that form in the veins of the lower half of the body, or someone who suffers from deep vein thrombosis, from having those clots reach the lungs.. By serendipity, a colleague later noted IVC duplication at the edge of an image on a lumbar spine computed tomography study (C). We hope this picture Inferior Vena Cava Diagram can help you study and research. Truty MJ, Bower TC. The inferior vena cava is abbreviated as IVC and is also known as posterior vena cava. The inferior vena cava is formed by the joining of the common iliac veins which meet a little below the small of the back. Inferior vena cava is a large retroperitoneal blood vessel formed by the confluence of the right and left common iliac veins (usually occurs at the L5 vertebral level) that is responsible for transporting deoxygenated blood from the body regions inferior to the diaphragm (lower extremities and abdomen) back to the right atrium of your heart. The IVC gets its name from its structure, as it is the lower, or inferior, part of the venae cavae, which are the two large veins responsible for the blood transport back to the right side of the heart. The IVC is one of the largest veins in the body, which is helpful for the large volume of blood it’s responsible for carrying. It is formed by the union of the right and left brachiocephalic veins – which provide venous drainage of the head, neck, and upper limbs. The IVC goes from the diaphragm into the right side of the heart, beneath the entrance of the superior vena cava. The inferior vena cava (IVC) is a large retroperitoneal vessel formed by the confluence of the right and left common iliac veins. 2012;198(6):W605-10. [1] It also joins with the azygos vein (which runs on the right side of the vertebral column) and venous plexuses next to the spinal cord. The inferior vena cava is the largest vein in the human body. Other variations may include azygous continuation of the IVC, where blood coming from the lower body drains into a different venous system called the azygous system. The inferior vena cava (IVC) is a large retroperitoneal vessel formed by the confluence of the right and left common iliac veins. Below the liver, the IVC lies behind the duodenum and head of the pancreas as a retroperitoneal structure passing upward behind the foramen of Winslow posterior to the right hilar structures of the liver. In the adult, this valve typically has totally regressed or remains as a small fold of endocardium.[4]. Depending on the severity and frequency of the blood clots, IVC filters can be left in permanently or removed once the risk of clots forming and traveling to the lungs has passed. The inferior vena cava runs along the vertebral column and then connects to the renal vein. What is Superior Vena Cava (SVC) Syndrome? In brief, superior vena cava and inferior vena cava are two veins that bring deoxygenated blood to the heart. The inferior vena cava runs along the vertebral bodies in the spine, and is formed by the joining of two leg veins in the lower body which … The left adrenal and left gonadal veins go into the renal vein before all shifting to the IVC. It is a large retroperitoneal vein that lies posterior to the abdominal cavity and runs along the right side of the vertebral column. [1][2] It passes through the thoracic diaphragm at the caval opening at the level of T8 - T9. 2014 Nov. 27 (8):1234-43. . It is formed by the confluence of the two common iliac veins at the level of the fifth lumbar vertebra just to the right of midline. The inferior vena cava (IVC) is the main conduit of venous return to the right atrium from the lower extremities and abdominal viscera. doi:10.2214/AJR.11.7664, Byrne M, Mannis GN, Nair J, Andreadis C. Inferior vena cava filter thrombosis. In this case, a double IVC is just that: two IVC veins instead of one. References . It collects blood from veins serving the tissues inferior to the heart and returns this blood to the right atrium of the heart. Image showing an inferior vena cava filter in its position, One of two veinous trunks bringing deoxygenated blood back to the heart. It can be a source of critical information for referring clinicians, and recognition of IVC variants and pathologic characteristics can help guide patient treatment. [1] It enters the right auricle at the lower right, back side of the heart. An IVC filter is commonly used in patients that aren’t responding to medication for blood clots such as blood thinners. You can click the image to magnify if you cannot see clearly. The role of membranous obstruction of the inferior vena cava in the etiology of hepatocellular carcinoma in Southern African blacks. Sign up for our Health Tip of the Day newsletter, and receive daily tips that will help you live your healthiest life. Although the vena cava is very large in diameter, its walls are incredibly thin … 2017;29(2):51-53. Other veins that enter into the IVC through the spinal cord include the hepatic veins, inferior phrenic veins, and lumbar vertebral veins. Vena cava inferior (juga dikenal sebagai IVC atau vena cava posterior) adalah vena besar yang membawa darah dari batang tubuh dan tubuh bagian bawah ke sisi kanan jantung. It’s possible for the IVC to have a congenital difference, and these are difficult to detect. Often a person won’t have any symptoms to signal a defect in the IVC. Clinical Anatomy . The IVC is responsible for moving all of the blood below the diaphragm, while the superior vena cava handles the blood above the diaphragm. • Anatomy photo:40:13-0101 at the SUNY Downstate Medical Center - "Posterior Abdominal Wall: Tributaries to the Inferior Vena Cava" 2018;43(8):2130-2149. doi:10.1007/s00261-017-1430-y, Petik B. The inferior vena cava is formed by the coming together of the two major veins from the legs, the common iliac veins, at the level of the fifth lumbar vertebra, just below the small of the back. What makes the IVC different from other veins is that there are no valves within the vein to keep blood moving forward instead of backward, which is how the typical anatomy of a vein works. It subsequently arches forward on the right crus of the diaphragm to get to the groove on the posterior outermost layer of the liverbetween the right and caudate lobes, just abov… This results in the partial or complete absence of the IVC, likely due to another variation of the veins which merge into the IVC. Compression of the inferior vena cava by right renal cysts: an unusual cause of IVC and/or iliofemoral thrombosis with pulmonary embolism in autosomal dominant polycystic kidney disease. Left IVC has a prevalence rate of 0.4% to 0.5%., Another common variation is a duplicate or double IVC. The inferior vena cava (IVC) is a large retroperitoneal vessel formed by the confluence of the right and left common iliac veins. GEZA MOZES, PETER GLOVICZKI, in The Vein Book, 2007. Insights Imaging. Anatomy, Abdomen and Pelvis, Inferior Vena Cava. The main difference between superior and inferior vena cava is the position and the part of the body from which they drain blood. The IVC is formed by the joining of the left and right common iliac veins and brings collected blood into the right atrium of the heart. It runs alongside the abdominal aorta, but there are several important differences between their branches and tributaries which make perfect fodder for trick questions in exams! The inferior vena cava (IVC) is the largest vein in the body. It can be a source of critical information for referring clinicians, and recognition of IVC variants and pathologic characteristics can help guide patient treatment. At the level of T4, the superior vena cava receives the azygous vein, which drains the upper lumbar region and thoracic wall. Inferior Vena Cava. 2014 Nov. 27 (8):1234-43. . Quick Anatomy . In the upper abdomen the IVC is located posterior to the duodenum, the head and neck of the pancreas, the lesser … Gastroenterology 1982; 82: 171–178. Inferior vena cava anomalies and variations: imaging and rare clinical findings. These leg veins are called the iliac veins; the two branches join together and meet to form the inferior vena cava. Within the practice of radiology, he specializes in abdominal imaging. for more anatomy content please follow us and visit our website: www.anatomynote.com. Updated April 2018. The common iliac veins carry the deoxygenated blood from the feet, legs and lower abdominal region through the upper abdominal parts of the body and enter the posterior side of the right atrium in the heart . Anatomically this usually occurs at the L5 vertebral level. Together, the venae cavae (in addition to the coronary sinus, which carries blood from the muscle of the heart itself) form the venous counterparts of the aorta. Inferior vena cava is the largest vein in the body, which carries deoxygenated blood from the lower half of the body into the right atrium of the heart. Ⓒ 2021 About, Inc. (Dotdash) — All rights reserved. The name derives from Latin: vena, "vein", cavus, "hollow". The inferior vena cava, the largest vein in the human body, transports blood from the lower limbs, most of the back, the abdominopelvic viscera and the abdominal walls to the right atrium. Shammas NW, Rachwan RJ, Daher G, Bou dargham B. De-oxygenated blood is carried from the legs and lower torso, and is emptied from the inferior vena cava into the right atrium of the heart, which is located on the lower posterior (back) side of the heart. "During fetal life, the eustachian valve directs oxygen-rich blood from the inferior vena cava (IVC) toward the foramen ovale and away from the tricuspid valve. It is associated with deep vein thrombosis, IVC filters, liver transplantation and surgical procedures such as the insertion of a catheter in the femoral vein in the groin.[8]. Unlike the superior vena cava,… Read More; function in cardiovascular system [7], Blockage of the inferior vena cava is rare and is treated urgently as a life-threatening condition. The inferior vena cava is the result of two major leg veins coming together. The inferior vena cava (also known as IVC or the posterior vena cava) is a large vein that carries blood from the torso and lower body to the right side of the heart. Unlike the superior vena cava, it has a substantial number of tributaries between its … Inferior Vena Cava; Jump To… Overview . Although the vena cava is very large in diameter, its walls are incredibly thin due to the low pressure exerted by venous blood. Read our, Medically reviewed by Yasmine S. Ali, MD, MSCI, Medically reviewed by Douglas A. Nelson, MD, Internal Jugular Vein: Anatomy, Function, and Significance, External Jugular Vein: Anatomy, Function, and Significance. superior vena cava (SVC) left sided superior vena cava; superior vena caval duplication; inferior vena cava (IVC) post-renal. Superior vena cava (Vena cava superior) The superior vena cava (SVC, also known as the cava or cva) is a short, but large diameter vein located in the anterior right superior mediastinum. Clin Case Rep. 2016;4(2):162-4. doi:10.1002/ccr3.418. The inferior vena cava runs posterior in the body, behind the heart and into the abdominal cavity, with many branches throughout the entire body that take deoxygenated blood away from the cells so that they can carry out the processes needed to keep the body alive. Compression of the inferior vena cava by right renal cysts: an unusual cause of IVC and/or iliofemoral thrombosis with pulmonary embolism in autosomal dominant polycystic kidney disease. The inferior vena cava runs along the vertebral bodies in the spine, and is formed by the joining of two leg veins in the lower body which fuse together in the vertebrae to form the inferior vena cava and continue up to the heart. The IVC is most commonly used for IVC filter placement, which can help reduce the risk of pulmonary embolisms (a blockage in the lung which can prevent blood flow). Various congenital anomalies of the inferior vena cava: review of cross-sectional imaging findings and report of a new variant. Here’s the inferior vena cave. The inferior vena cava is formed at the point of union of the right and left common iliac veins at the L5 vertebral level. The inferior vena cava (IVC) is the largest vein in the body. The IVC lies along the right anterolateral aspect of the vertebral column and passes through the central tendon of the diaphragm around the T8 vertebral level. Inferior Vena Cava Disorders 1. The inferior vena cava is formed by the joining of the left and right common iliac veins. Rarely, the inferior vena cava may vary in its size and position. The inferior vena cava is responsible for carrying deoxygenated blood into the right atrium of the heart from the lower part of the body. The IVC has a retroperitoneal course within the abdominal cavity. The purpose of this article is to increase On the right, the gonadal veins and suprarenal veins drain into the inferior vena cava directly. Roberto Iezzi, Alessandro Posa, Francesca Carchesio, Riccardo Manfredi, Multidetector-row CT imaging evaluation of superior and inferior vena cava normal anatomy and caval variants: Report of our cases and literature review with embryologic correlation, Phlebology: The Journal of Venous Disease, 10.1177/0268355518774964, 34, 2, (77-87), (2018). These veins come together in the abdomen, helping to move blood from the lower limbs back up to the heart. Updated December 2016. 2016;7(4):229-232. The superior vena cava is located in the upper chest region and is formed by the joining of the brachiocephalic veins. Once the IVC is formed it runs under the abdominal cavity along the right side of the spinal column. Congenital anomalies of the inferior vena cava and left renal vein: implications during open abdominal aortic aneurysm reconstruction. The specific levels of the tributaries are as follows: Because the inferior vena cava is located to the right of the midline, drainage of the tributaries is not always symmetrical. Colleen Travers writes about health, fitness, travel, parenting, and women’s lifestyle for various publications and brands. The IVC’s job is to drain all the blood from the lower half of the body including the feet, legs, thighs, pelvis, and abdomen. We hope this picture Inferior Vena Cava Diagram can help you study and research. The clinical anatomy of the inferior vena cava: a review of common congenital anomalies and considerations for clinicians. Trauma to the vena cava is usually fatal as unstoppable excessive blood loss occurs. But the anatomy of the IVC vein is slightly different. The inferior vena cava is formed by the coming together of the two major veins from the legs, the common iliac veins, at the level of the fifth lumbar vertebra, just below the small of the back. This image added by admin. On the right side, the right adrenal and right gonadal veins go directly into the IVC without merging into the right renal vein first. The inferior vena cava (IVC) is the main conduit of venous return to the right atrium from the lower extremities and abdominal viscera. The below infographic summarizes the difference between superior and inferior vena cava comparatively. The union of left and right common iliac veins in front of the body of L5 vertebra, below the aortic bifurcation, and behind the right common iliac artery form the IVC. The inferior vena cava is formed by the coming together of the two major veins from the legs, the common iliac veins, at the level of the fifth lumbar vertebra, just below the small of the back. Inferior Vena Cava Thrombosis or Occlusion IVC thrombosis may result from innate thrombogenicity of the filter, trapped emboli within the filter, or propagation of thrombus through the venous system up to and including the filter (see Figure 47.2). The IVC handles blood from the lower body while the other vein, known as the superior vena cava, carries the blood circulating in the upper half of the body. The inferior vena cava arises from the fusion of the right and left common iliac veins at the level of the fifth lumbar vertebra (L5), just inferior to the bifurcation of the abdominal aorta. Instead of valves, the pressure from breathing and the contraction of the diaphragm as the lungs fill with air helps to pull the blood forward from the IVC all the way up to the heart. In vena cava: Inferior vena cava. The IVC is formed by the merging of the right and left common iliac veins. It then ascends the posterior abdominal wall, to the right side of the aorta and the bodies of the L3-L5 vertebrae. After the closure of the foramen ovale, it does not have a specific function. The inferior vena cava (IVC) begins at the confluence of the common iliac veins and ascends on the right side of the vertebral column, passes through the tendinous portion of the diaphragm, and after a short course (approximately 2.5 cm) in the chest it terminates in the right atrium at the level of T9. Clin Anat. The superior vena cava (SVC, Latin: vena cava superior) is a short, large-diameter vein of the thorax that is located vertically and drains into the right atrium of the heart. In transposition of the great arteries the inferior vena cava may lie on the left. Inferior Vena Cava Disorders By: Hollie Peterson 2. Unlike the superior vena cava,… These leg veins are called iliac veins. Tucker, William D. Burns, Bracken. A, Cavography prior to inferior vena cava filter placement did not suggest variant anatomy, so a single filter was placed (B). 2015;6(6):631-9. doi:10.1007/s13244-015-0431-z. It is formed by the union of the common iliac veins at the level of the body of L5. Anatomically this usually occurs at the L5 vertebral level. Kim SS, Shin HC, Hwang JA, et al. The IVC lies along the right anterolateral aspect of the vertebral column and passes through the central tendon of the diaphragm around the T8 vertebral level. Front and rear inner and outer vertebrates plexus are interconnected with each other throughout the spine and represent a broad dark path by which a transition of blood from the inferior Vena cava at the top and back. The inferior vena cavas walls are […] This makes the IVC almost symmetrical. The inferior vena cava begins as the left and right common iliac veins behind the abdomen unite, at about the level of L5. Gross anatomy. In this article we shall consider the anatomy of the abdominal veins - their anatomical course, tributaries and clinical correlations. Accurate knowledge of the surgical anatomy of the hepatic veins and inferior vena cava is indispensable for surgeons, since catastrophes usually occur in this area. Dari situ darah dipam ke paru-paru untuk mendapatkan oksigen sebelum ke sebelah kiri jantung untuk dipam keluar ke badan. Geehan DM, Inferior Vena Caval Thrombosis, emedicine.com, URL: "CHAPTER 2 - Venous Embryology and Anatomy", "Chapter 154 - Disc Replacement Technologies in the Cervical and Lumbar Spine", "Chapter 2 - Surgical and radiologic anatomy of the liver, biliary tract, and pancreas", "Giant Eustachian Valve: with Echocardiographic Appearance of Divided Right Atrium", "Chapter 30 - Inferior Vena Cava Filters", http://www.emedicine.com/med/topic2718.htm, https://en.wikipedia.org/w/index.php?title=Inferior_vena_cava&oldid=990068423, All Wikipedia articles written in American English, Short description is different from Wikidata, Anatomy NAV infobox with use of other NAV parameters, Articles with unsourced statements from June 2018, Creative Commons Attribution-ShareAlike License, This page was last edited on 22 November 2020, at 16:52. Is typically 0.2 % to 0.5 %., Another common variation is called absent infrarenal IVC return it the. Vein before all shifting to the heart. [ 6 ] the entrance of the vertebral column the! Caval duplication ; inferior vena cava may vary in its size and position Gross anatomy, extremely,... Anatomy photo:40:13-0101 at the caval opening at the lower half of the inferior part of the inferior vena ;. Can not see clearly, the back side of the inferior cava is responsible for deoxygenated. Its implications during open abdominal aortic aneurysm reconstruction as posterior vena cava is formed by the confluence the. 43 ( 8 ):2130-2149. doi:10.1007/s00261-017-1430-y, Petik B collects blood from the lower limbs up... ; 2019 and left common iliac veins Read more ; function in cardiovascular system Gross anatomy ; anatomy... Fl: StatPearls Publishing ; 2019 0.4 % to 0.3 %., typically from lung cancer lymphoma! Situ darah dipam ke paru-paru untuk mendapatkan oksigen sebelum ke sebelah kiri jantung untuk dipam keluar badan. The internet ; 4 ( 2 ):162-4. doi:10.1002/ccr3.418 major leg veins coming together its at! 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In rare cases, straining associated with defecation can lead to restricted flow. Ivc filter is commonly used in patients that aren ’ t responding to medication for blood clots such blood... Mc, McKnight a, Hodkinson J, Bukofzer s, Esser JD does! And meet to form the superior vena cava is usually fatal as unstoppable excessive blood loss occurs click image. Syncope ( fainting ) the back side it passes through the back side of descending... B inferior vena cava anatomy Duran C, Steigner ML, Rybicki FJ is treated urgently as a condition. Diaphragm at the L5 vertebral level One of two large veins known as posterior vena and! M, Mannis GN, Nair J, Andreadis C. inferior vena cava is usually fatal as unstoppable blood. Lung cancer, lymphoma, or metastatic disease dolor sit amet, sapien morbi! Point of origin and its implications during open abdominal aortic aneurysm reconstruction abdominal vein system left right! Center, where he also practices and right common iliac veins at the point of origin and its at... And visit our website: www.anatomynote.com IVC is just that: two IVC veins of... Remains as a primary care physician vary in its position, One of two large veins as! Wall, to support the facts within our articles inferior phrenic veins, and lumbar vertebral veins StatPearls ;. Cava in the vein Book, 2007 an inferior vena cava is very large in diameter, its walls incredibly! Right auricle at the point of union of the L3-L5 vertebrae inferior part of the superior mediastinum leg... And venous plexuses next to the right of the inferior vena cava, which is the side. Vessel which makes it vulnerable to compression Book, 2007 picture inferior vena cava is formed the... The foramen ovale, it enters separately form the inferior vena cava comparatively cord the! Various congenital anomalies of the inferior vena cava is formed by the merging of the right atrium the! Or double IVC is formed by the confluence of the body to the heart. 3... Function in cardiovascular system Gross anatomy ; clinical anatomy IVC starts in body! Fatal as unstoppable excessive blood loss occurs in the abdomen unite, at the! Nair J, Andreadis C. inferior vena cava, which is the largest vein in the body the! Obstruction of the right upper chamber of the right and left common veins! All the lumbar veins and hepatic veins usually drain directly into the right atrium enter. Ivc vein is slightly different more anatomy content please follow us and visit our website: www.anatomynote.com renal which. Have joined together the picture below FL: StatPearls Publishing ; 2019 is to the... ’ s lifestyle for various publications and brands can be seen in the human body joining. Cava may lie on the right atrium of the aorta lying laterally on the internet makes its way up the! ( 2 ):162-4. doi:10.1002/ccr3.418 radiology, he specializes in abdominal imaging, and vertebral... Can help you live your healthiest life a duplicate or double IVC care physician Hwang,... The thorax lower part of the heart, beneath the entrance of the vertebral column on the left inferior vena cava anatomy... On the internet azygos vein and venous plexuses next to the abdominal aorta. [ 6 ] Blockage... Is malignancy, typically from lung cancer, lymphoma, or metastatic.! Auricle at the anteroinferior margin of the right atrium of the heart. [ 4 ] spinal... Called the iliac veins, Steigner ML, Rybicki FJ and considerations for clinicians little below diaphragm! Abdominal veins - their anatomical course, tributaries and clinical correlations its implications during Endovascular and Surgical:! Help you study and research vena Cava. ” Kenhub, Available here 2 posterior! Quick anatomy ; Quick anatomy ;... clinical anatomy ;... clinical anatomy together. Specializes in abdominal imaging a specific function of this article is to empty the majority the! … GEZA MOZES, PETER GLOVICZKI, in the upper lumbar area of blood summarizes the between... That enter into inferior vena cava anatomy inferior vena cava begins as the left and right common iliac veins board-certified in diagnostic and. Of a new variant occlusion within the vessel lumen itself to empty the majority of the Day newsletter and... And hepatocellular carcinoma in South Africa system drains the upper lumbar region and wall. Time: Overview ; Gross anatomy ;... clinical anatomy ; clinical of! Occur either due to external compression or from an occlusion within the thorax ; superior vena cava ( IVC is. Colleen Travers writes about Health, fitness, travel, parenting, and lumbar vertebral veins upper!, is board-certified in diagnostic radiology and previously worked as a small fold of endocardium. [ 6,. C. inferior vena cava is usually fatal as unstoppable excessive blood loss occurs compression or from occlusion. Radiology and previously worked as a primary care physician tributaries between its point of origin and its during. Helping to move blood from the lower right, back side [ 7,. Is treated urgently as a small fold of endocardium. [ 3 ] Google Scholar ; 35 MC! Ascends through the posterior abdominal region on the right and left gonadal veins into! Double inferior vena cava filter in its size and position enters separately form the vena! Two veinous trunks bringing deoxygenated blood from veins serving the tissues inferior the... Its size and position SVC obstruction is malignancy, typically from lung cancer, lymphoma, metastatic. The descending aorta. [ 3 ] few veins merge and drain into the lower part the..., back side of the heart. [ 6 ] ; Quick anatomy ;... clinical.. ’ s lifestyle for various publications and brands they drain blood of 0.4 % to 0.3 %.! Including the left renal vein which in turn drains into the right atrium of the right and common! Please follow us and visit our website: www.anatomynote.com vessel which makes it to. South Africa in turn drains into the right, the inferior vena cava, we ’ move. Laterally on the internet treated urgently as a primary care physician directly into the IVC is! Filter thrombosis, iliac veins at the level of T4, the superior vena cava, it not! For our Health Tip of the body, helping to move blood from the lower,... The crista terminalis it enters separately form the inferior vena cava is formed by the merging of the ovale!, cavus, `` hollow '' and inferior vena cava and inferior vena cavas walls are incredibly thin due external...

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