Aorta

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Artery: Aorta
The thoracic aorta, heart and other great vessels.
Gray's	subject #142
Branches	thoracic aorta, abdominal aorta
MeSH	Aorta

WikiDoc Resources for Aorta
Articles
Most recent articles on Aorta Most cited articles on Aorta Review articles on Aorta Articles on Aorta in N Eng J Med, Lancet, BMJ
Media
Powerpoint slides on Aorta Images of Aorta Photos of Aorta Podcasts & MP3s on Aorta Videos on Aorta
Evidence Based Medicine
Cochrane Collaboration on Aorta Bandolier on Aorta TRIP on Aorta
Clinical Trials
Ongoing Trials on Aorta at Clinical Trials.gov Trial results on Aorta Clinical Trials on Aorta at Google
Guidelines / Policies / Govt
US National Guidelines Clearinghouse on Aorta NICE Guidance on Aorta NHS PRODIGY Guidance FDA on Aorta CDC on Aorta
Books
Books on Aorta
News
Aorta in the news Be alerted to news on Aorta News trends on Aorta
Commentary
Blogs on Aorta
Definitions
Definitions of Aorta
Patient Resources / Community
Patient resources on Aorta Discussion groups on Aorta Patient Handouts on Aorta Directions to Hospitals Treating Aorta Risk calculators and risk factors for Aorta
Healthcare Provider Resources
Symptoms of Aorta Causes & Risk Factors for Aorta Diagnostic studies for Aorta Treatment of Aorta
Continuing Medical Education (CME)
CME Programs on Aorta
International
Aorta en Espanol Aorta en Francais
Businness
Aorta in the Marketplace Patents on Aorta
Experimental / Informatics
List of terms related to Aorta

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The aorta (generally pronounced eɪˈɔːtə or "ay-orta") is the largest artery in the human body, originating from the left ventricle of the heart and bringing oxygenated blood to all parts of the body in the systemic circulation.

The course of the aorta

The aorta is usually divided into five segments/sections ^{[1] [1] [1] [1]}  :

• Ascending aorta — the section between the heart and the arch of aorta
• Arch of aorta — the peak part that looks somewhat like an inverted "U"
• Descending aorta — the section from the arch of aorta to the point where it divides into the common iliac arteries
  • Thoracic aorta — the half of the descending aorta above the diaphragm
  • Abdominal aorta — the half of the descending aorta below the diaphragm

Features

The aorta is an elastic artery, and as such is quite distensible. When the left ventricle contracts to force blood into the aorta, the aorta expands. This stretching gives the potential energy that will help maintain blood pressure during diastole, as during this time the aorta contracts passively.

Diseases/pathology

• Aneurysm of sinus of Valsalva
• Aortic aneurysm - myotic, bacterial (e.g. syphilis), senile, genetic, associated with valvular heart disease
  • Dissecting aortic aneurysm
• Aortic coarctation - pre-ductal, post-ductal
• Atherosclerosis
• Marfan syndrome
• Trauma, such as traumatic aortic rupture, most often thoracic and distal to the left subclavian artery^[1] and frequently quickly fatal^[1]

References

External links

• Gray's s153 - Descending aorta
• Gray's s154 - Abdominal aorta

v • d • e Cardiovascular system
Systemic circulation	Heart  → Aorta → Arteries → Arterioles → Capillaries → Venules → Veins → Vena cava → Heart
Pulmonary circulation	Heart → Pulmonary arteries → Lungs → Pulmonary vein → Heart

v • d • e List of arteries of torso - chest
Pulmonary / coronary	right coronary: SA nodal - AV nodal - atrial - right marginal - posterior interventricular left coronary: anterior interventricular - left circumflex - left marginal
Ascending aorta	aortic arch - brachiocephalic (thyreoidea ima) - common carotid
Subclavian	internal thoracic: anterior intercostal - thymic - pericardiacophrenic - terminal (musculophrenic, superior epigastric) costocervical trunk: highest intercostal (posterior intercostal 1-2) - deep cervical
Descending / thoracic aorta	visceral: bronchial - esophageal - mediastinal parietal: posterior intercostal 3-11 - subcostal - superior phrenic

v • d • e List of arteries of torso - abdomen
AA: Anterior	celiac left gastric: esophageal branches splenic: pancreatic branches (greater, dorsal) – short gastric – left gastro-omental common hepatic: proper hepatic (cystic), right gastric, gastroduodenal (right gastro-omental, superior pancreaticoduodenal, supraduodenal) SMA inferior pancreaticoduodenal – intestinal (jejunal, ileal, arcades, vasa recta)  – ileocolic (colic, anterior cecal, posterior cecal, ileal branch, appendicular)  – right colic – middle colic IMA left colic – sigmoid – superior rectal – marginal
AA: Posterior	visceral: middle suprarenal – renal (inferior suprarenal, ureteral) – gonadal (testicular ♂/ovarian ♀) parietal: inferior phrenic (superior suprarenal) – lumbar – median sacral terminal: common iliac (IIA, EIA)
IIA: Anterior	umbilical (superior vesical, to ductus deferens) – middle rectal – obturator (anterior branch, posterior branch) – inferior gluteal (accompanying of ischiadic nerve, crucial anastomosis) uterine ♀ (helicine, vaginal of uterine, ovarian of uterine, tubal of uterine) – vaginal ♀/inferior vesical ♂ internal pudendal: inferior rectal – perineal (urethral) – posterior scrotal ♂/labial ♀ – bulb of penis ♂/vestibule ♀ – deep artery of the penis ♂ (helicine)/clitoris ♀ – dorsal of the penis ♂/clitoris ♀
IIA: Posterior	iliolumbar (lumbar, iliac) – lateral sacral – superior gluteal
EIA	inferior epigastric (cremasteric, round ligament) – deep circumflex iliac – femoral

v • d • e WikiDoc Research Resources for Aorta (Click show to right to view)
Articles on Aorta	Most recent articles on Aorta • Most cited articles on Aorta • Review articles on Aorta • Articles on Aorta in N Eng J Med, Lancet, BMJ
Media (Slides, Video, Images, MP3) on Aorta	Powerpoint slides on Aorta • Images of Aorta • Photos of Aorta • Podcasts & MP3s on Aorta • Videos on Aorta
Evidence Based Medicine Regarding Aorta	Cochrane Collaboration on Aorta • Bandolier on Aorta • TRIP on Aorta
Cost Effectiveness of Aorta	Cost Effectiveness of Aorta
Clinical Trials Involving Aorta	Ongoing Trials on Aorta at Clinical Trials.gov • Trial results on Aorta • Clinical Trials on Aorta at Google
Guidelines / Policies / Government Resources (FDA/CDC) Regarding Aorta	US National Guidelines Clearinghouse on Aorta • NICE Guidance on Aorta • NHS PRODIGY Guidance • FDA on Aorta • CDC on Aorta
Textbook Information on Aorta	Books and Textbook Information on Aorta
Pharmacology Resources on Aorta	Dosing of Aorta • Drug interactions with Aorta • Side effects of Aorta • Allergic reactions to Aorta • Overdose information on Aorta • Carcinogenicity information on Aorta • Aorta in pregnancy • Pharmacokinetics of Aorta •
Genetics, Pharmacogenomics, and Proteinomics of Aorta	Genetics of Aorta • Pharmacogenomics of Aorta • Proteomics of Aorta
Newstories on Aorta	Aorta in the news • Be alerted to news on Aorta • News trends on Aorta
Commentary on Aorta	Blogs on Aorta
Patient Resources on Aorta	Patient resources on Aorta • Discussion groups on Aorta • Patient Handouts on Aorta • Directions to Hospitals Treating Aorta • Risk calculators and risk factors for Aorta
Healthcare Provider Resources on Aorta	Symptoms of Aorta • Causes & Risk Factors for Aorta • Diagnostic studies for Aorta • Treatment of Aorta
Continuing Medical Education (CME) Programs on Aorta	CME Programs on Aorta
International Resources on Aorta	Aorta en Espanol • Aorta en Francais
Business Resources on Aorta	Aorta in the Marketplace • Patents on Aorta
Informatics Resources on Aorta	List of terms related to Aorta

ar:الشريان الأبهر

ast:Aorta bg:Аорта ca:Aorta da:Aorta de:Aorta el:Αορτήeo:Aorto eu:Aorta fr:Aorte ko:대동맥 hr:Aorta id:Aorta it:Aorta he:אב העורקים la:Aorta lt:Aorta hu:Aorta ms:Aorta nl:Aorta ja:大動脈 no:Aorta nn:Livpulsåre nds:Aortasq:Aorta sk:Srdcovnica sr:Аорта fi:Aortta sv:Aortauk:Аорта

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Acknowledgement and Attribution Regarding Sources of Content

Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .