Atrial branches of coronary arteries
Encyclopedia
The atrial branches of right coronary artery derive from the right coronary artery
and provide part of the blood supply to the right atrium
and left atrium
.
Although named for the right coronary artery
in Terminologia anatomica
, a portion of the blood supply to the atria
derives from the Circumflex branch of left coronary artery.
Right coronary artery
The right coronary artery originates above the right cusp of the aortic valve. It travels down the right atrioventricular groove, towards the crux of the heart.At the origin of the RCA is the conus artery....
and provide part of the blood supply to the right atrium
Right atrium
The right atrium is one of four chambers in the hearts of mammals and archosaurs...
and left atrium
Left atrium
The left atrium is one of the four chambers in the human heart. It receives oxygenated blood from the pulmonary veins, and pumps it into the left ventricle, via the mitral valve.-Foramen ovale:...
.
Although named for the right coronary artery
Right coronary artery
The right coronary artery originates above the right cusp of the aortic valve. It travels down the right atrioventricular groove, towards the crux of the heart.At the origin of the RCA is the conus artery....
in Terminologia anatomica
Terminologia Anatomica
Terminologia Anatomica is the international standard on human anatomic terminology. It was developed by the Federative Committee on Anatomical Terminology and the International Federation of Associations of Anatomists and was released in 1998. It supersedes the previous standard, Nomina...
, a portion of the blood supply to the atria
Atria
Atria may refer to:*Atrium , an anatomical structure of the heart*Atrium , a large open space within a building*Atria or Alpha Trianguli Australis, a star in the constellation Triangulum Australe...
derives from the Circumflex branch of left coronary artery.
