Costal margin
| Costal margin | |
|---|---|
 Anterior surface of sternum and costal cartilages. (The costal margin forms a large upside-down V on the inferior border.) | |
| Details | |
| Identifiers | |
| Latin | arcus costalis |
| TA98 | A02.3.04.006 |
| TA2 | 1101 |
| FMA | 7569 |
| Anatomical terminology | |
The costal margin is the lower edge of the chest (thorax) formed by the bottom edge of the rib cage.
Sometimes referred to as the costal arch, the costal margin is the medial margin formed by the seventh to tenth ribs.
External links
- Anatomy figure: 35:01-03 at Human Anatomy Online, SUNY Downstate Medical Center—"Bony landmarks of the abdomen"
- Atlas image: abdo_wall60 at the University of Michigan Health System
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