Small cardiac vein
Encyclopedia
The small cardiac vein runs in the coronary sulcus
between the right atrium
and ventricle, and opens into the right extremity of the coronary sinus
.
It receives blood from the back of the right atrium and ventricle.
It may drain to the coronary sinus
, right atrium
, middle cardiac vein
, or be absent.
Coronary sulcus
The atria of the heart are separated from the ventricles by the coronary sulcus ; this contains the trunks of the nutrient vessels of the heart, and is deficient in front, where it is crossed by the root of the pulmonary artery.-External links:*...
between the right atrium
Right atrium
The right atrium is one of four chambers in the hearts of mammals and archosaurs...
and ventricle, and opens into the right extremity of the coronary sinus
Coronary sinus
The coronary sinus is a collection of veins joined together to form a large vessel that collects blood from the myocardium of the heart. It is present in all mammals, including humans...
.
It receives blood from the back of the right atrium and ventricle.
It may drain to the coronary sinus
Coronary sinus
The coronary sinus is a collection of veins joined together to form a large vessel that collects blood from the myocardium of the heart. It is present in all mammals, including humans...
, right atrium
Right atrium
The right atrium is one of four chambers in the hearts of mammals and archosaurs...
, middle cardiac vein
Middle cardiac vein
The middle cardiac vein commences at the apex of the heart, ascends in the posterior longitudinal sulcus, and ends in the coronary sinus near its right extremity.-External links: - "Posterior view of the heart."...
, or be absent.