Linea alba (abdomen)
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| Linea alba | |
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Diagram of sheath of Rectus.
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| Details | |
| Latin | Linea alba |
| Identifiers | |
| Dorlands /Elsevier |
l_10/12496016 |
| TA | Lua error in Module:Wikidata at line 744: attempt to index field 'wikibase' (a nil value). |
| TH | {{#property:P1694}} |
| TE | {{#property:P1693}} |
| FMA | {{#property:P1402}} |
| Anatomical terminology
[[[d:Lua error in Module:Wikidata at line 863: attempt to index field 'wikibase' (a nil value).|edit on Wikidata]]]
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The linea alba (Latin, white line) is a fibrous structure that runs down the midline of the abdomen in humans and other vertebrates. In humans linea alba runs from the xiphoid process to the pubic symphysis. The name means white line and the linea alba is indeed white, being composed mostly of collagen connective tissue.
It is formed by the fusion of the aponeuroses of the abdominal muscles, and it separates the left and right rectus abdominis muscles. In muscular individuals its presence can be seen on the skin, forming the depression between the left and right halves of a "six pack."
Because it consists of mostly connective tissue, and doesn't contain any primary nerves or blood vessels, a median incision through the linea alba is a common surgical approach.
Additional images
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Surface anatomy of the front of the thorax and abdomen.
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Linea alba.jpg
Linea alba
See also
External links
- -140902323 at GPnotebook
- skel&wallsabd at The Anatomy Lesson by Wesley Norman (Georgetown University)
- Anatomy photo:35:os-0108 at the SUNY Downstate Medical Center (before removing skin)
- Anatomy photo:35:06-0101 at the SUNY Downstate Medical Center (after removing skin)
- Anatomy diagram: 03281.000-2 at Roche Lexicon - illustrated navigator, Elsevier
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