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Aortic Arch
- The arch of the aorta begins at the level of the upper border of the second sternocostal articulation of the right side
- runs at first upward, backward, and to the left in front of the trachea
- then directed backward on the left side of the trachea
- finally passes downward on the left side of the body of the fourth thoracic vertebra
- at the lower border of the fourth thoracic vertebral body it becomes continuous with the descending aorta
- arch upper border is about 2.5 cm. below the superior border to the manubrium sterni
Forms two curvatures:
- convexity upward
- convexity forward and to the left
(text modified from Gray's 1918 Anatomy)
File history
Yi efo/eka'e gwa ebo wo le nyangagi wuncin ye kamina wunga tinya nan
| Gwalagizhi | Nyangagi | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 11:45, 16 October 2010 | | 375 × 464 (25 KB) | S8600021 (talk | contribs) | ==Aortic Arch== * The arch of the aorta begins at the level of the upper border of the second sternocostal articulation of the right side * runs at first upward, backward, and to the left in front of the trachea * then directed backward on the left side |
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