Dictionary > Atrioventricular sulcus

Atrioventricular sulcus

Definition
noun
(anatomy) A sulcus or a groove on the outer surface of the heart marking the division between the atria and the ventricles
Supplement
The word sulcus is an anatomical term used to refer to any of the narrow grooves in an organ or tissue. Thus, the atrioventricular sulcus points to the sulcus separating the atria from the ventricles of the heart. Because of this, it is also sometimes called the coronary sulcus or coronary groove. This sulcus encircles the heart and contains the major horizontally directed vessels of the heart. The middle cardiac vein can be found in the posterior interventricular sulcus whereas the annulus fibrosis lies in a position at the coronary sulcus almost completely separating the atrial and ventricular muscles.1 The coronary sinus is also found on the coronary sinus, particularly on the posterior surface of the heart. The coronary sinus is the collection of veins that form the large vessel collecting blood from the myocardium.
Synonym(s):

  • coronary groove
  • coronary sulcus
  • atrioventricular groove
  • sulcus coronaries
  • auriculoventricular groove

See also:

  • atrium
  • ventricle
  • heart
  • coronary
  • Reference(s):

    1 Gest, T., Burkel, W. & Waanders, N. (1993). Review questions for gross anatomy & embryology. New York: Parthenon. Page 171.


    You will also like...

    New Zealand - Biodiversity fauna
    New Zealand’s Biodiversity

    Find out more about New Zealand's unique biodiversity by exploring a range of different ecosystems and the key role of s..

    Still Water Community Plants
    Still Water Community Plants

    This tutorial looks at the adaptations of freshwater plants for them to thrive in still water habitats. Familiarize your..

    An artistic depiction of Dunkleosteus fish
    Fish

    The sea was teeming with life. Eventually, through reproduction and continued variation, fish came about. There are over..

    Selective Breeding
    Selective Breeding

    Gregor Mendel's studies into Monohybrid and Dihybrid crossing and Charles Darwin's study of evolution and natural select..

    Biological Viruses
    Biological Viruses

    Viruses possess both living and non-living characteristics. This unique feature distinguishes them from other organisms...

    Population Growth and Survivorship
    Population Growth and Survivorship

    This lesson looks at population attributes, regulation, and growth. It also covers population genetics, particularly gen..

    Related Articles...

    No related articles found

    See all Related Topics