Right marginal branch of right coronary artery

The right marginal branch of right coronary artery (or right marginal artery) is the largest marginal branch of the right coronary artery. It follows the acute margin of the heart. It supplies blood to both surfaces of the right ventricle.

Right marginal branch of right coronary artery
Sternocostal surface of heart. (Right marginal artery not labeled, but is visible at bottom left.)
Details
Sourceright coronary artery
Veinright marginal vein
Identifiers
Latinramus marginalis dexter arteriae coronariae dextrae
TA98A12.2.03.106
TA24137
FMA3818
Anatomical terminology

Structure

The right marginal branch is the largest branch to split off from the right coronary artery.[1][2] It often anastomoses with the nearby parallel posterior interventricular artery, which itself is usually a continuation of the right coronary artery.[3]

Variation

The right marginal branch may reach the distal part of the posterior interventricular sulcus.[3]

Function

The right marginal branch primarily supplies the right ventricle.[2][4]

Additional images

Coronary arteries (labeled in red text) and other major landmarks (in blue text). Right (acute) marginal artery is labeled at left in the image.

References

  1. Aggeli, Constantina; Mavrogeni, Sofia; Tousoulis, Dimitris (2018-01-01), Tousoulis, Dimitris (ed.), "Chapter 3.5.1 - Non-invasive Imaging Techniques in Coronary Artery Disease", Coronary Artery Disease, Academic Press, pp. 337–358, doi:10.1016/b978-0-12-811908-2.00017-9, ISBN 978-0-12-811908-2, retrieved 2020-11-18
  2. Antonopoulos, Alexios S.; Siasos, Gerasimos; Antoniades, Charalambos; Tousoulis, Dimitris (2018-01-01), Tousoulis, Dimitris (ed.), "Chapter 2.1 - Functional Anatomy", Coronary Artery Disease, Academic Press, pp. 121–126, doi:10.1016/b978-0-12-811908-2.00008-8, ISBN 978-0-12-811908-2, retrieved 2020-11-18
  3. Sivananthan, M. (2018-01-01), "Coronary Anatomy", in Vasan, Ramachandran S.; Sawyer, Douglas B. (eds.), Encyclopedia of Cardiovascular Research and Medicine, Oxford: Elsevier, pp. 691–699, ISBN 978-0-12-805154-2, retrieved 2021-01-08
  4. Wu, Justina C. (2019-01-01), Solomon, Scott D.; Wu, Justina C.; Gillam, Linda D. (eds.), "18 - Acute Myocardial Infarction", Essential Echocardiography, Elsevier, pp. 195–199.e1, ISBN 978-0-323-39226-6, retrieved 2021-01-08
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