Interatrial sulcus
Interatrial Sulcus is a structure found in the heart that separates the two atria. It is a shallow depression on the external surface of the heart, and it marks the internal position of the interatrial septum.
Etymology[edit | edit source]
The term "Interatrial Sulcus" is derived from Latin. "Inter-" means between, "atrial" refers to the atria of the heart, and "sulcus" is Latin for groove or furrow.
Anatomy[edit | edit source]
The Interatrial Sulcus is located on the anterior surface of the heart, running in a horizontal direction. It separates the right and left atria, marking the position of the interatrial septum which divides the two atria internally.
Clinical Significance[edit | edit source]
The Interatrial Sulcus can be of clinical significance in certain medical conditions. For instance, in the case of an atrial septal defect, a hole in the interatrial septum, the sulcus may be involved. It can also be a landmark in certain surgical procedures involving the heart.
Related Terms[edit | edit source]
- Atria: The two upper chambers of the heart.
- Interatrial Septum: The wall of tissue that separates the right and left atria of the heart.
- Atrial Septal Defect: A birth defect of the heart in which there is a hole in the wall (septum) that divides the upper chambers of the heart.
See Also[edit | edit source]
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Contributors: Prab R. Tumpati, MD
