aorta

    Aorta GudangMovies21 Rebahinxxi LK21

    Aorta adalah arteri terbesar dalam badan manusia. Bersumber dari bilik kiri jantung dan membawa darah beroksigen kepada semua bagian tubuh dalam peredaran sistemik.


    Jalur aorta


    Bagian awal aorta, aorta menaik, muncul keluar dari ventrikel kiri, yang diasingkan oleh katup aorta. Kedua arteri coronaria jantung bercabang dari pangkal aorta, di atas katup aorta.
    Aorta kemudian melengkung balik mengelilingi arteri pulmonalis. Tiga pembuluh darah muncul keluar dari arcus aortae ini, yaitu arteri brachiocephalica, arteri carotis communis sinistra, dan arteri subclavia sinistra. Pembuluh-pembuluh ini memasok darah ke kepala dan bagian lengan.
    Aorta kemudian menuruni badan. Bagian atas diafragma (dalam dada) disebut aorta pars thoracalis dan bagian bawah diafragma (dalam abdomen) disebut aorta pars abdominalis.
    Saat bergerak ke bawah dinding posterior abdomen, aorta abdomen beredar pada kiri vena cava inferior, bercabang-cabang menjadi saluran darah utama pada perut dan usus, dan juga ginjal. Terdapat banyak bentuk cabang yang dapat diketahui dalam vaskulatur sistem pencernaan. Bentuk yang paling umum ialah cabang aorta membentuk truncus celiacus, arteri mesenterica superior, dan juga arteri mesenterica inferior. Arteri renalis biasanya bercabang dari aorta abdominalis di antara truncus celiacus dan arteri mesenterica superior.
    Aorta berakhir dengan percabangan 2, yaitu arteri iliaca communis sinistra dan arteri iliaca communis dextra untuk memasok darah ke anggota tubuh bagian bawah dan pelvis.


    Ciri-ciri


    Aorta adalah arteri elastis, oleh karenanya maka dapat mengembang. Apabila ventrikel kiri berkontraksi untuk memaksa darah mengalir ke aorta, aorta mengembang. Regangan ini memberikan energi potensial yang akan membantu mempertahankan tekanan darah sewaktu diastole, karena saat itu, aorta akan berkontraksi secara pasif.


    Penyakit



    Aneurisme aorta
    Koarktasi aorta
    Sindrom Marfan


    Referensi




    Pranala luar



    Templat:Gray subject — Descending aorta
    Templat:Gray subject — Abdominal aorta

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aorta

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Aorta - Wikipedia

The aorta (/ eɪ ˈ ɔːr t ə / ay-OR-tə; pl.: aortas or aortae) is the main and largest artery in the human body, originating from the left ventricle of the heart, branching upwards immediately after, and extending down to the abdomen, where it splits at the aortic bifurcation into two smaller arteries (the common iliac arteries).

Aorta: Anatomy and Function - Cleveland Clinic

The aorta is the main vessel through which oxygen-rich blood travels from the heart to the rest of the body. It also delivers nutrients and hormones. The aorta’s branches ensure these substances reach internal organs and nearby supporting tissue.

Aorta: Anatomy, Function, and Signs of a Problem - Verywell Health

Nov 9, 2024 · Divided into four sections—the aortic root, ascending aorta, aortic arch, and descending aorta—it ensures blood reaches areas like the arms, legs, brain, and abdominal organs. Signs of a problem with the aorta can include severe chest or back pain, shortness of breath, a pulsing feeling in the abdomen, or fainting.

Aortic aneurysm - Symptoms and causes - Mayo Clinic

Apr 21, 2023 · An aortic aneurysm is a bulge that occurs in the wall of the body's main artery, called the aorta. The aorta carries blood from the heart to the body. Aortic aneurysms can occur anywhere in the aorta. They may be tube shaped or round. Aortic aneurysms include: Abdominal aortic aneurysm.

Abdominal aortic aneurysm - Symptoms and causes - Mayo Clinic

Apr 25, 2023 · The aorta runs from the heart through the center of the chest and belly area, called the abdomen. The aorta is the largest blood vessel in the body. An abdominal aortic aneurysm that ruptures can cause life-threatening bleeding.

Aortic Aneurysm: Types, Symptoms, Causes, Diagnosis, Treatment - WebMD

Apr 17, 2023 · The aorta is the largest blood vessel in the body. Although your aorta is a tough, durable workhorse, sometimes its walls can weaken and bulge in what is called an aortic aneurysm.

Your Aorta: The Pulse of Life | American Heart Association

Jan 30, 2024 · The aorta is the main artery that carries blood away from your heart to the rest of your body. When a problem occurs with the aorta, the heart and the entire body’s blood supply can be put at risk.

What does a tortuous aorta mean? how is it treated?

Jul 9, 2019 · Maybe a warning: A tortuous aorta is one that is not straight ( the normal condition ) but does not contain and aneurysm. This may occur normally in older people or those with long standing hypertension. It may also occur in younger people who have abnormal composition of their artery walls.

What is the function of the aorta? - Medical News Today

Mar 2, 2023 · The aorta is the main artery responsible for transporting oxygenated blood out of the heart and to the rest of the body. It consists of the ascending aorta, the aortic arch, and descending aorta.

Aorta: Anatomy, branches, supply - Kenhub

Oct 30, 2023 · The aorta is the first segment of the systemic arterial circulation, originating directly from the left ventricle of the heart. It is the largest artery in the body consisting of three parts that each has its special characteristics, most notably in their direction and orientation.