Difference between revisions of "MUSCULOCUTANEOUS NERVE"

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[[Summary Article|<h5>'''SUMMARY'''</h5>]]
===== [[Summary Article|'''SUMMARY''']] =====
<br/>ORIGIN 
<i>ORIGIN</i>  
<br/>1. Origin: from the lateral cord of the brachial plexus, C5, 6, 7
<br/>1. Origin: from the lateral cord of the brachial plexus, C5, 6, 7
<br/>2. Lies lateral to the axillary a.
<br/>2. Lies lateral to the axillary a.
<br/>3. Descends past lateral border of pactoralis minor. 
<br/>3. Descends past lateral border of pactoralis minor
<br/>
<br/><i>COURSE &amp; SUPPLY </i>
<br/><i>4. Supplies the shoulder joint</i>
<br/><i>5. Pierces through the coracobrachialis, supplying this muscle</i>
<br/><i>6. It then passes between the biceps &amp; brachialis (supplying both muscles), accompanied by branches/tributaries of the brachial artery &amp; vein</i>
<br/>
<br/>7. Its remaining fibers, purely cutaneous now, appears at the lateral margin of the biceps tendon as the <i>lateral cutaneous nerve of the forearm</i>
<br/>
<br/>
<br/>COURSE & SUPPLY 
<br/><i>4. Supplies the shoulder joint. </i>
<br/><i>5. Pierces through the CORACOBRACHIALIS, supplying this muscle.</i>
<br/><i>6. It then passes b/w the BICEPS & BRACHIALIS (supplying both muscles), accompanied by branches/tributaries of the brachial artery & vein. </i>
<br/>7. Its remaining fibers, purely cutaneous now, appears at the lateral margin of the biceps tendon as the <i>lateral cutaneous nerve of the forearm. </i>
<br/>[[Image:paste-22424024253416.jpg]]
<br/>[[Image:paste-22424024253416.jpg]]
<br/><b bold;="" style="font-weight:">Image: </b>Gray, Henry. <i>Anatomy of the Human Body.</i> Philadelphia: Lea & Febiger, 1918; Bartleby.com, 2000. [https://www.bartleby.com/107/ www.bartleby.com/107/] [Accessed 21 Nov. 2018]. 
<br/>
<br/><b style="font-weight: bold; ">Image: </b>Gray, Henry. <i>Anatomy of the Human Body.</i> Philadelphia: Lea &amp; Febiger, 1918; Bartleby.com, 2000. [https://www.bartleby.com/107/ www.bartleby.com/107/] [Accessed 21 Nov. 2018].  
 


==Reference(s)==
==Reference(s)==

Latest revision as of 18:52, 8 January 2023

SUMMARY

ORIGIN
1. Origin: from the lateral cord of the brachial plexus, C5, 6, 7
2. Lies lateral to the axillary a.
3. Descends past lateral border of pactoralis minor

COURSE & SUPPLY
4. Supplies the shoulder joint
5. Pierces through the coracobrachialis, supplying this muscle
6. It then passes between the biceps & brachialis (supplying both muscles), accompanied by branches/tributaries of the brachial artery & vein

7. Its remaining fibers, purely cutaneous now, appears at the lateral margin of the biceps tendon as the lateral cutaneous nerve of the forearm

Paste-22424024253416.jpg

Image: Gray, Henry. Anatomy of the Human Body. Philadelphia: Lea & Febiger, 1918; Bartleby.com, 2000. www.bartleby.com/107/ [Accessed 21 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.