Difference between revisions of "MUSCULOCUTANEOUS NERVE"
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===== [[Summary Article|'''SUMMARY''']] ===== | ===== [[Summary Article|'''SUMMARY''']] ===== | ||
<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 & 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 & brachialis (supplying both muscles), accompanied by branches/tributaries of the brachial artery & 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/>[[Image:paste-22424024253416.jpg]] | <br/>[[Image:paste-22424024253416.jpg]] | ||
<br/><b | <br/> | ||
<br/><b style="font-weight: bold; ">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]. | |||
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
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.
