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RECTUS SHEATH

Anatomy-Abdomen

RECTUS SHEATH

1. Formed by the free aponeurosis of 3 abdominal wall muscles.

2. Above costal margin - the EXTERNAL OBLIQUE anteriorly.

3. B/W umbilicus + costal margin - the INTERNAL OBLIQUE splits around the RECTUS ABDOMINIS with the EXTERNAL OBLIQUE anteriorly + TRANSVERSUS ABDOMINIS posteriorly.

4. Below arcuate line - all 3 aponeurosis pass anterior to RECTUS ABDOMINIS.


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REFERENCES

1. Mcminn. (2003). Last's Anatomy. Elsevier Australia. ISBN:0729537528. Read it at Google Books - Find it at Amazon
2. Netter, F. H. (2019). Atlas of human anatomy. Philadelphia, PA: Elsevier.
3. Image: no reference available.

Ⓒ A. Manickam 2018

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