Right border of heart
The right border of the heart (right margin of heart) is a long border on the surface of the heart, and is formed by the right atrium.
- The atrial portion is rounded and almost vertical; it is situated behind the third, fourth, and fifth right costal cartilages about 1.25 cm. from the margin of the sternum.
- The ventricular portion, thin and sharp, is named the acute margin; it is nearly horizontal, and extends from the sternal end of the sixth right coastal cartilage to the apex of the heart.
| Right border of heart | |
|---|---|
 Sternocostal surface of heart. (Right margin visible but not labeled.) | |
| Details | |
| Identifiers | |
| Latin | margo dexter cordis |
| Anatomical terminology | |
References
This article incorporates text in the public domain from page 528 of the 20th edition of Gray's Anatomy (1918)
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