| 词条 | Left border of heart |
| 释义 |
| Name = Left border of heart | Latin = Margo obtusus | Image = Gray492.png | Caption = Sternocostal surface of heart. | Image2 = Gray494.png | Caption2 = Heart seen from above. | System = }} The left border of heart (or left margin, or obtuse margin) is shorter than the right border, 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{{Gray's}}External links
1 : Cardiac anatomy |
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