Difference between revisions of "AXILLARY ARTERY"
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===== [[Summary Article|'''SUMMARY''']] ===== | ===== [[Summary Article|'''SUMMARY''']] ===== | ||
ORIGIN | <i>ORIGIN</i> | ||
<br/>1. Continuation of the | <br/>1. Continuation of the 3<sup>rd</sup> part of the subclavian a. | ||
<br/>2. Begins at the outer border of the | <br/>2. Begins at the outer border of the 1<sup>st</sup> rib, behind the midpoint of the clavicle. | ||
<br/> | <br/> | ||
<br/>COURSE & PARTS | <br/><i>COURSE & PARTS</i> | ||
<br/> | <br/> | ||
<br/>3. At the lower border of the | <br/>3. At the lower border of the teres major it becomes the brachial a. | ||
<br/>4. It is invested by the axillary sheath, continuation of the prevertebral fascia. | <br/>4. It is invested by the axillary sheath, continuation of the prevertebral fascia. | ||
<br/>5. Divided into 3 parts by the | <br/>5. Divided into 3 parts by the pectoralis minor: first part (above), second part (behind), third part (below). | ||
<br/>6. The cords of the brachial plexus are named according to their relations to the | <br/>6. The cords of the brachial plexus are named according to their relations to the <i>second </i>part of the axillary artery. | ||
<br/>7. The subclavian vein lies medially throughout its course. | <br/>7. The subclavian vein lies medially throughout its course. | ||
<br/> | <br/> | ||
<br/>[[Image:axillary-artery-diagrams.jpg]] | <br/>[[Image:axillary-artery-diagrams.jpg]] | ||
<br/> | <br/> | ||
<br/><b>Image:</b> | <br/><b>Image:</b> Case courtesy of Dr Sachintha Hapugoda, [https://radiopaedia.org/ Radiopaedia.org]. From the case [https://radiopaedia.org/cases/52195 rID: 52195] [Accessed 24 Nov. 2018]. | ||
Latest revision as of 18:52, 8 January 2023
SUMMARY
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.
Image: Case courtesy of Dr Sachintha Hapugoda, Radiopaedia.org. From the case rID: 52195 [Accessed 24 Nov. 2018].
Reference(s)
R.M.H McMinn (1998). Last’s anatomy: regional and applied. Edinburgh: Churchill Livingstone.
Gray, H., Carter, H.V. and Davidson, G. (2017). Gray’s anatomy. London: Arcturus.
