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AXILLARY ARTERY

Anatomy-Upper Limb

AXILLARY ARTERY

ORIGIN
1. Continuation of the 3rd part of the subclavian a.
2. Begins at the outer border of the 1st rib, behind the midpoint of the clavicle.

COURSE & PARTS
3. At the lower border of the TERES MAJOR it becomes the brachial a.
4. It is invested by the axillary sheath, continuation of the prevertebral fascia.
5. Divided into 3 parts by the PECTORALIS MINOR - first part (above), second part (behind), third part (below).
6. The cords of the brachial plexus are named according to their relations to the SECOND part of the axillary artery.
7. The subclavian vein lies medially throughout its course.



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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: Case courtesy of Dr Sachintha Hapugoda, Radiopaedia.org . From the case rID: 52195 [Accessed 24 Nov. 2018].

Ⓒ A. Manickam 2018

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