Rahul Sharma (Editor)

Left margin of heart

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Latin
  
Margo obtusus

Dorlands /Elsevier
  
m_04/12513824

Left margin of heart

The left margin of heart (or obtuse margin) is shorter than the right border of heart, full, and rounded: it is formed mainly by the left ventricle, but to a slight extent, above, by the left atrium.

It extends from a point in the second left intercostal space, about 2.5 mm. from the sternal margin, obliquely downward, with a convexity to the left, to the apex of the heart.

References

Left margin of heart Wikipedia