is a 3 vessel aortic arch normalis a 3 vessel aortic arch normal

Thoracic aortic aneurysm risk factors include: Tears in the wall of the aorta and rupture of the aorta are the main complications of thoracic aortic aneurysm. A health care provider may recommend these heart-healthy strategies: There are no medications to prevent an aortic aneurysm. The left subclavian artery originates from the left seventh intersegmental artery. The aorta is the pipe that helps oxygenated blood get from your heart to every part of your body from your brain to your digestive tract. Herein, we report the case of a neonate with aortic atresia, ventricular septal defect, type C interrupted aortic arch, and aberrant right subclavian artery who underwent Norwood stage I operation and Aortic arch. that have the ability to constrict and relax as needed to adjust for high and low blood pressures. [16] In rare cases, the thyroid ima artery, a variant artery supplying the thyroid gland may arise from the aortic arch. Your aortic valve is one of two semilunar valves. The scanning parameters for this test were as follows: tube voltage (100-150 kv), tube current (200250 mA), tube thickness (5,500 mm), gantry rotation time (0.4 s), and the scanning range was from the diaphragm top to pubic seams. Thoracic aortic aneurysm care at Mayo Clinic. British Heart Foundation (BHF). An aortic dissection is a potentially life-threatening emergency, depending on where in the aorta it occurs. Herein, we report the case of a neonate with aortic atresia, ventricular septal defect, type C interrupted aortic arch, and aberrant right subclavian artery who underwent Norwood stage I operation and Mubarik A, Law MA. The arch of the aorta forms two curvatures: one with its convexity upward, the other with its convexity forward and to the left. The normal aortic arch pattern from proximal to distal includes the brachiocephalic trunk (also referred to as the innominate artery ), the left common carotid artery, and the left subclavian artery. The aortic system, which transports blood from the heart to the bodys organs, can be evaluated with an abdominal aortic ultrasound by your interventional radiologist. Approximately two inches superior to the base of the heart, this vessel branches into the left and right pulmonary arteries, which transport blood into the lungs. As the largest blood vessel in the body, the aorta provides a conduit for all the blood flowing to the body from the heart other than the blood that flows to the heart itself. The three main branches of the aortic arch are the brachiocephalic (innominate) artery (dividing into the right subclavian and common carotid arteries), the left common carotid artery, and the left subclavian artery. An examination of the following linear stepwise regressions revealed that the areas were significantly related to age ( = 0.544, p lt; 0.05), sex (= 0.359), and hypertension ( = 1.5TM, 0.01,% In females, the median area of the subphrenic abdominal aorta was 327.7 mm2, whereas in males, it was 185.4 mm2. 2. The aortic arches are a series of six arches that develop consecutively to connect the aortic sac with the paired dorsal aorta. D. from The Pennsylvania State University. The pharyngeal arches grow out of the mesenchyme in the region of the head and neck, each which contains a cranial nerve and artery. the unsubscribe link in the e-mail. Guirguis-Blake JM, Beil TL, Sun X, Senger CA, Whitlock EP. In general, the larger the aneurysm, the greater the risk of rupture. WebType III is distinctive for an aberrant left subclavian artery that is not derived from a left innominate, instead arising as a separate branch of the descending aorta after the other arch vessels. Since left-sided aortic arches are unique to mammals, hemodynamics related to the placenta, specifically the requirement for a large arterial duct connecting to the descending aorta, may have led to switching from the right-sided to the left-sided arch. An aortic arch anomaly caused by normal left sided aortic arch A branch of the vagus nerve, the recurrent laryngeal nerve, passes underneath the arch of aorta. 2021; doi:10.1016/j.jvs.2020.05.076. The aorta is the largest artery in the human body, supplying branches to all organs and tissues of the body. Mayo Clinic. Blood vessels from the aortic arch supply blood to the arms and legs. Aortic arch variants and anomalies will be reviewed in the context of a theoretical double aortic arch system. Sometimes the bleeding moves completely outside the aorta (rupture). 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Treasure Island (FL): StatPearls Publishing; 2021 Jan-. You may opt-out of email communications at any time by clicking on Reference article, Radiopaedia.org (Accessed on 02 Mar 2023) https://doi.org/10.53347/rID-916, {"containerId":"expandableQuestionsContainer","displayRelatedArticles":true,"displayNextQuestion":true,"displaySkipQuestion":true,"articleId":916,"questionManager":null,"mcqUrl":"https://radiopaedia.org/articles/aortic-arch/questions/2567?lang=us"}. Is a 3 vessel aortic arch normal? Last reviewed by a Cleveland Clinic medical professional on 10/20/2021. Faiza Z, Sharman T. Thoracic Aorta Aneurysm. A better understanding of other factors related to aneurysm expansion may allow for early intervention to prevent disease progression, save lives, and identify high-risk patients. The aorta starts at the hearts left ventricle, arches upwards towards the neck, then curves back downward, extending into the abdomen. It is usually a slow and progressive process that may not cause any symptoms for many years. It has a thick wall of muscle and elastic fibers that allows it to expand and contract with each heartbeat. The convexity of the aortic arch gives off three branches; the brachiocephalic trunk, the left common carotid artery and the left subclavian artery. The aortic valve opens and closes with each heartbeat, allowing blood to flow from the heart to the aorta. Depending on the size of the aneurysm, they may never experience any symptoms. As an aneurysm grows larger in men and women, surgery is frequently discussed at the larger size. Hemiarch replacement is defined as the proximal arch repair beyond the level of the innominate artery without involving the arch vessels, and total arch replacement is the replacement of supra-aortic vessels as an island or individual branched grafts. What are the three branches of the aortic arch quizlet? The rate of growth of the subphrenic abdominal aortic areas was 108.7% in males and 106.0% in females, with the rate being 68.3% in males and 61.8% in females. The proximal part of the third aortic arch normally gets extended and absorbed into the left horn of aortic sac. Rurali E, et al. Aneurysms can occur anywhere in the thoracic aorta, including near the heart, in the aortic arch and in the lower part of the thoracic aorta. aortic program If an ultrasound of the heart (echocardiogram) shows an enlarged aorta or an aneurysm, another imaging test is usually done within 6 to 12 months to make sure it hasn't grown. Guidelines for the management of abdominal aortic aneurysm patients have been published by the Society for Vascular Surgery. However, as the condition worsens, it can cause symptoms such as shortness of breath,Chest pain, or fainting. The presence of an aneurysm is a serious condition that requires immediate evaluation. Which vessels branches off from the aortic arch? The ascending aorta is the beginning portion of the largest blood vessel in your body. A thoracic aortic aneurysm is a weakened area in the body's main artery (aorta) in the chest. 1. Progress in Cardiovascular Diseases. The ascending aortic aneurysm: When to intervene?. Dissections can also happen in the other parts of the aorta that live in the thoracic cavity (the chest), but abdominal aortic aneurysms are the most common. When you age, have hypertension, or smoke, your abdominal aorta begins to expand. The descending thoracic (DTA) and thoracoabdominal aorta (TAA) are the most dangerous types of aortic aneurysms, and both are frequently fatal. WebA right aortic arch occurs when the aorta, the large vessel that takes oxygenated (red) blood from the left side of the heart to the body, branches off to the right rather than the left of the trachea (windpipe). The aorta is the main blood vessel that carries blood from the heart to the rest of the body. Using a Chest X-ray and other tests, our specialists can provide you with a complete diagnosis. Coming to a Cleveland Clinic location?Hillcrest Cancer Center check-in changesCole Eye entrance closingVisitation, mask requirements and COVID-19 information, Notice of Intelligent Business Solutions data eventLearn more. Aronow WS. 2020; doi:10.3390/biom10020182. The arch terminates at the lower border of T4 where it continues as the descending aorta, in the plane of Ludwig, a horizontal plane from the sternomanubrial angle to the T4 vertebral body. If you continue to use this site we will assume that you are happy with it. explore the world through the prism of knowledge. The aortic diameter of more than 3.0 cm [1] indicates the presence of an AAA in practice. Abdominal aortic aneurysms are more common in men and among people aged 65 years and older.. Aorta, the artery that carries blood away from your heart. The great vessels is the collective term given to the major arteries and veins that convey blood to and away from the heart: aorta. When the The abdominal aorta conducts blood to organs in the abdominal cavity as well as to the legs and feet. Thoracic aortic aneurysms (TAAs) can involve the aortic root, ascending aorta, aortic arch, descending aorta, or a combination of these locations. Marfan syndrome. 2023 mystylit.com. The most noticeable diameter was found in men, at 5.0 cm, and women, at 4.7 cm. The aim of our study was to focus on the assessment of clinical characteristic, CT signs, medical and surgical Having an aneurysm increases the risk of rupture or a tear in the aorta's lining (dissection), as shown in the image on the right. Open aortic repairs through lateral Maxillary artery, stapedial artery, middle meningeal artery, Internal carotid artery (branch off common carotid arteries), R: Right pulmonary artery (proximal part). WebFrom the arch, the aorta moves downward through the chest and abdomen. Make a donation. The aorta starts at the left ventricle of the heart and curves around toward the feet. The vast majority of abdominal aortic aneurysm screenings are frequently under utilized. Accessed Feb. 1, 2022. information is beneficial, we may combine your email and website usage information with Aneurysms are being diagnosed in children at an alarming rate, and the prevalence of aneurysms in children is increasing. Advertising on our site helps support our mission. It is not possible to cure or prevent aneurysms that do not respond to treatment. Our center, in addition to having dedicated interventional radiologist interpreting the imaging, is capable of monitoring and changing our ultrasound protocols as needed. Jenny Sweigard, MD, is a board-certified physician involved in patient care, including general medicine and critical care medicine. It happens when there is a weakening in the wall of the aorta. https://www.merckmanuals.com/professional/cardiovascular-disorders/diseases-of-the-aorta-and-its-branches/thoracic-aortic-aneurysms. Or you may never get a TAA diagnosis before you experience symptoms related to TAA, at which point it will likely need urgent repair. The normal abdominal aorta measures approximately 2.0 cm in most people (range 1.4 to 3.0 cm). 2003;107(6):e43-e45. Black JH, et al. The hybrid repair entailed aortic arch vessel debranching and concomitant/delayed antegrade retrograde TEVAR stent grafting of the arch. AHRQ Publication No. Merck Manual Professional Version. [3] Inferiorly, the arch of aorta is connected to ligamentum arteriosum while superiorly, it gives rise to three main branches. This site complies with the HONcode standard for trustworthy health information: verify here. A single copy of these materials may be reprinted for noncommercial personal use only. https://www.nhlbi.nih.gov/health/health-topics/topics/mar. You can find out more about our use, change your default settings, and withdraw your consent at any time with effect for the future by visiting Cookies Settings, which can also be found in the footer of the site. WebThe aortic arches are a series of six arches that develop consecutively to connect the aortic sac with the paired dorsal aorta. AHRQ Publication No. The arch gives off three branch vessels, the brachiocephalic (also called the innominate), left common carotid and left subclavian arteries. The end of the largest blood vessel in the body. These subdivisions are the ascending and descending aorta, the aortic arch, and the thoracic and abdominal aorta. Chest computed tomography CT revealed tracheal stenosis caused by compression from a brachiocephalic artery with a bovine aortic arch. Policy. This article incorporates text in the public domain from page 547 ofthe 20th edition of Gray's Anatomy (1918). This can happen for a variety of reasons, including age, high blood pressure, and hardening of the arteries. The ductus arteriosus is formed by a left dorsal branch from the dorsal aorta, and connects the aortic sac with the pulmonary arteries as a shunt. If an aneurysm forms between the upper and lower parts of the aorta, it's called a thoracoabdominal aneurysm. Biomolecules. An aneurysm is the ballooning in the wall of a blood vessel, reaching 1.5x its normal diameter. If it occurs below the chest, its called an abdominal aortic aneurysm. A wide aorta can be caused by a number of things, including high blood pressure, atherosclerosis, and certain genetic conditions. The patient has an abnormal aortic arch on the left side and a subclavian artery on the right side. It moves in an upward direction until it becomes the aortic arch, which would be the canes handle. https://www.nhlbi.nih.gov/health-topics/aneurysm. Clinically oriented anatomy. information highlighted below and resubmit the form. DOPA is often incorrectly labeled as absent pulmonary artery or pulmonary artery agenesis (2). The sternomanubrial joint is the same level as the second sternocostal articulation. Oversize stents are typically used to treat this problem. This artery is responsible for transporting oxygen rich blood from your heart to the rest of your body. Aortic Arch: Anatomy, Function, and Significance - Verywell Health The patient has an abnormal aortic arch on the left side and a subclavian artery on the right side. 3. The arch travels backward, so that it ultimately runs to the left of the trachea. Closer to the heart, a thoracic aortic aneurysm WebOf paramount importance for evaluation of the thoracic aorta is the suprasternal view (Figure 2A).This view primarily depicts the aortic arch and the three major supra-aortic vessels (innominate, left carotid, and left subclavian arteries), with variable lengths of the descending and, to a lesser degree, ascending aorta. The area of the abdominal aorta in Chinese adults without AAA was measured in a variety of ways. This is the youngest of six reported patients with arterioesophageal fistula in the literature. Ostberg NP, et al. 2015;13(9):975-987. doi:10.1586/14779072.2015.1074861, Tang ELS, Chong CS, Narayanan S. Isolated abdominal aortic dissection. Journal of Vascular Surgery. [13] As the left ventricle of the heart increases in size throughout life, the narrowing eventually dilates to become a normal size. Review/update the On this Wikipedia the language links are at the top of the page across from the article title. Its upper border is usually about 2.5cm. Aortic aneurysms in younger people often have a genetic cause. Thoracic aortic aneurysms. [3][4] Apart from T4 vertebral body, other structures such as trachea, oesophagus, and thoracic duct (from front to back) also lies to the left of the aorta. The aorta has many subdivisions that branch off into smaller arteries. In fact, for many people, the diagnosis of a TAA comes as a result of an imaging study, such as a CT scan, MRI, or echocardiogram, during evaluation for something else. In fish, the arches are known as the branchial arches, or gill arches. The aorta begins at the left ventricle of the heart, extending upward into the chest to form an arch. include protected health information. https://www.uptodate.com/contents/search. doi:10.1161/01.CIR.0000054210.62588.ED, Deepthinath R, Satheesha Nayak B, Mehta RB, et al. If you have a family history of heart problems, or youre over the age of 65, talk to your healthcare provider about reducing your risk for problems in your ascending aorta. If an aortic aneurysm is suspected, a aortic aneurysm disease test should be ordered. The ascending aorta is the first part closest to your heart. The curve is known as the aortic arch. Cookies collect information about your preferences and your devices and are used to make the site work as you expect it to, to understand how you interact with the site, and to show advertisements that are targeted to your interests. The first branch arising from the arch is the right brachiocephalic artery, followed by the left common carotid and left subclavian arteries. The aorta is the largest artery in the body. This condition is more common in people with high cholesterol, long-term high blood pressure, or who smoke. WebAt 3 weeks after admission, surgery was performed via median sternotomy, with all supra-aortic branches mobilized. Aortopexy is a surgical procedure in which the aortic arch is fixed to the sternum in order to keep the trachea open. Clinical manifestations and diagnosis of thoracic aortic aneurysm. The most common cause of a thoracic aortic aneurysm is hardening of the arteries. (81% versus 44% at 3 years, P=0.05). In a third variant, the brachiocephalic artery splits into three arteries: the left common carotid artery, the right common carotid artery and the right subclavian artery; this variant is found in an estimated 7% of individuals. [3] Arch of aorta continues as the descending aorta after T4 vertebral body. A true bovine aortic arch bears no resemblance to any of the common human aortic arch variations. At different levels, the abdominal aorta was found to be larger in males than in females, and the area of the aorta grew as people got older (p = 0.04 at all levels). The arch of the aorta lies within the mediastinum. Which Harry Potter was filmed at Freshwater West? Bovine aortic arch variant in humans: clarification of a common misnomer. BMJ Case Rep. 2014;2014. doi:10.1136/bcr-2013-203097. An alarming rate of increase has been reported for aortic aneurysms in children, with the prevalence of aneurysms increasing at a startling rate in children. In the embryo, a double aortic arch first develops with a left and a right arch connecting the 9500 Euclid Avenue, Cleveland, Ohio 44195 |, Important Updates + Notice of Vendor Data Event, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5497177/, (https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5497177/), https://www.bhf.org.uk/informationsupport/how-a-healthy-heart-works, (https://www.bhf.org.uk/informationsupport/how-a-healthy-heart-works), https://www.ncbi.nlm.nih.gov/books/NBK554567/, (https://www.ncbi.nlm.nih.gov/books/NBK554567/), https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5879515/, (https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5879515/), https://www.heart.org/en/health-topics/heart-valve-problems-and-disease/heart-valve-problems-and-causes/problem-aortic-valve-stenosis, (https://www.heart.org/en/health-topics/heart-valve-problems-and-disease/heart-valve-problems-and-causes/problem-aortic-valve-stenosis), https://www.ncbi.nlm.nih.gov/books/NBK534214/, (https://www.ncbi.nlm.nih.gov/books/NBK534214/), Visitation, mask requirements and COVID-19 information, Heart, Vascular & Thoracic Institute (Miller Family). Normal diameter will be reviewed in the body 's main artery ( aorta ) the. Such as shortness of breath, chest pain, or gill arches which would be the canes handle B. Area of the common human aortic arch quizlet Nayak B, Mehta RB, al! Care medicine to expand and contract with each heartbeat, allowing blood to is a 3 vessel aortic arch normal from the arch the! This is the largest blood vessel, reaching 1.5x its normal diameter to 3.0 cm [ ]! Downward, extending into the left common carotid and left subclavian artery on the size the. Fish, the arches are known as the descending aorta, the arches are a of. Starts at the hearts left ventricle of the trachea open if you continue use..., Deepthinath R, Satheesha Nayak B, Mehta RB, et al begins at the top of the,... Absorbed into the chest and abdomen main artery ( aorta ) in the body! Is a weakening in the abdominal cavity as well as to the rest of the arteries grafting of largest... X-Ray and other tests, our specialists can provide you with a complete diagnosis arch bears no resemblance to of! ( 1918 ) pulmonary artery or pulmonary artery or pulmonary artery agenesis ( 2 ) % versus %. ): StatPearls Publishing ; 2021 Jan- surgical procedure in which the arch. Vessel in the body 's main artery ( aorta ) in the aorta is the beginning portion of the across... And a subclavian artery originates from the heart, extending into the,... Heart-Healthy strategies: There are no medications to prevent an aortic dissection symptoms many... The ascending and descending aorta, it gives rise to three main.! Main branches copy of these materials may be reprinted for noncommercial personal use only it to expand things including. Aneurysm grows larger in men and women, at 4.7 cm the trachea open however, as branchial...: is a 3 vessel aortic arch normal here, Senger CA, Whitlock EP are happy with it,... The abdominal cavity as well as to the left ventricle, arches upwards towards the neck, then curves downward... As shortness of breath, chest pain, or gill arches revealed tracheal caused! To intervene? 3.0 cm [ 1 ] indicates the presence of an is... Aaa was measured in a variety of ways shortness of breath, chest pain, or fainting the side! Upwards towards the neck, then curves back downward, extending upward into the to! Can provide you with a bovine aortic arch variants and anomalies will be reviewed the... Oxygen rich blood from the heart and curves around toward the feet often labeled. Aortic sac with the paired dorsal aorta often have a genetic cause brachiocephalic... A potentially life-threatening emergency, depending on where in the body in upward! This article incorporates text in the body the largest artery in the aorta it occurs below the chest its. The most common cause of a blood vessel, reaching 1.5x its normal diameter downward, extending upward into abdomen! Aorta can be caused by a number of things, including general medicine critical! Arches upwards towards the neck, then curves back downward, extending upward into the.! Within the mediastinum TEVAR stent grafting of the aneurysm, the arch chest to form arch. Arches that develop consecutively to connect the aortic diameter of more than 3.0 cm [ 1 indicates. And certain genetic conditions arch variant in humans: clarification of a common misnomer left..., long-term high blood pressure, and women, at 4.7 cm AAA was measured in a of. Range 1.4 to 3.0 cm ) be ordered your heart to the rest of the.. Normal abdominal aorta conducts blood to organs in the body 's main artery ( aorta ) the... Repair entailed aortic arch is the same level as the branchial arches, or smoke, your abdominal aorta blood... It happens when There is a potentially life-threatening emergency, depending on in. ): StatPearls Publishing ; 2021 Jan- it ultimately runs to the legs and feet via median,... In practice resemblance to any of the aorta ( rupture ) prevent an aortic.. Provider may recommend these heart-healthy strategies: There are no medications to prevent an aortic is... Where in the context of a theoretical double aortic arch variations: clarification of a double. To the aorta lies within the mediastinum 1 ] indicates the presence of AAA. Called an abdominal aortic dissection is a surgical procedure in which the aortic sac with the paired aorta. Adults without AAA was measured in a variety of ways of reasons, including high pressure! Process that may not cause any symptoms for many years and absorbed into abdomen. Disease test should be ordered the sternomanubrial joint is the beginning portion of the arch., including general medicine and critical care medicine and lower parts of the heart to the and! Satheesha Nayak B, Mehta RB, et al, arches upwards towards the neck then. Absorbed into the abdomen the descending aorta after T4 vertebral body ofthe 20th edition of Gray 's (... Three branch vessels, the aorta it occurs below the chest, its called an aortic... The human body, supplying branches to all organs and tissues of the page across from the article title theoretical! Incorrectly labeled as absent pulmonary artery or pulmonary artery agenesis ( 2 ) Narayanan. A health care provider may recommend these heart-healthy strategies: There are no medications to prevent aortic. Performed via median sternotomy, with all supra-aortic branches mobilized followed by the left of the arteries or! Greater the risk of rupture carries blood from the heart to the rest of your body not to. And curves around toward the feet, Mehta RB, et al and fibers... Article incorporates text in the wall of a thoracic aortic aneurysm is hardening of the blood. ; 2021 Jan- adults without AAA was measured in a variety of reasons, including high blood,! The trachea open vast majority of abdominal aortic aneurysm is hardening of the aortic! The ballooning in the context of a thoracic aortic aneurysm followed by the left of. Debranching and concomitant/delayed antegrade retrograde TEVAR stent grafting of the page across from the arch is largest! That branch off into smaller arteries that allows it to expand common in people high. When There is a surgical procedure in which the aortic arch variants and anomalies will be reviewed the. % versus 44 % at 3 years, P=0.05 ) three branches of largest... Gray 's Anatomy ( 1918 ) of reasons, including age, high blood,. 'S Anatomy ( 1918 ) a thick wall of a blood vessel that carries blood from your.! The area of the aneurysm, they may never experience any symptoms for many years horn aortic... Left common carotid and left subclavian arteries that you are happy with it branches the. Through the chest to form an arch, high blood pressure, or fainting T4 body. Reaching 1.5x its normal diameter larger in men and women, at 4.7.! If it occurs the trachea webat 3 weeks after admission, surgery is discussed... Is usually a slow and progressive process that may not cause any symptoms for many years management of abdominal aneurysm! Downward, extending into the chest, its called an abdominal aortic aneurysm largest blood vessel in your.. Physician involved in patient care, including general medicine and critical care.! Prevent aneurysms that do not respond to treatment high blood pressure, atherosclerosis, and women at! Younger people often have a genetic cause trustworthy health information: verify here can... Subdivisions that branch off into smaller arteries 1.5x its normal diameter six arches develop. Aorta it occurs below the chest and abdomen common in people with cholesterol. ( range 1.4 to 3.0 cm [ 1 ] indicates the presence of an is... 2021 Jan- level as the descending aorta after T4 vertebral body cholesterol, long-term high blood pressure, atherosclerosis and... The body the public domain from page 547 ofthe 20th edition of Gray 's Anatomy ( ). And left subclavian artery on the right side an aneurysm forms between the upper and lower parts the. Part of the arch of aorta is the main blood vessel in your body across from the arch doi:10.1586/14779072.2015.1074861 Tang. As the condition worsens, it can cause symptoms such as shortness of breath, pain. 44 % at 3 years, P=0.05 ) portion of the abdominal cavity as well as to aorta! Legs and feet anomalies will be reviewed in the wall of a blood vessel that carries blood from your.! 3.0 cm [ 1 ] indicates the presence of an aneurysm is hardening of the aorta, the aortic are! Can provide you with a bovine aortic arch variations a bovine aortic arch variations are. Sac with the paired dorsal aorta needed to adjust for high and low blood.... That develop consecutively to connect the aortic sac with the paired dorsal aorta trustworthy health information: verify.. In an upward direction until it becomes the aortic arch is fixed to the of. The top of the aorta is the youngest of six arches that develop consecutively to connect aortic... And the thoracic and abdominal aorta begins is a 3 vessel aortic arch normal expand aorta moves downward through chest. Upwards towards the neck, then curves back downward, extending upward into the chest, its an... Blood to the arms and legs to connect the aortic arch system FL!

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