Difference between revisions of "ULNAR NERVE-E.WRIST & HAND"

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[[Summary Article|<h5>'''SUMMARY'''</h5>]]
===== [[Summary Article|'''SUMMARY''']] =====
<br/>1. The ulnar nerve and artery (lateral to the nerve) enter the hand on the flexor retinaculum, close to the pisiform. Both pass through the Guyon canal. 
1. The ulnar nerve and artery (lateral to the nerve) enter the hand on the flexor retinaculum, close to the pisiform. Both pass through the Guyon canal. 
<br/>2. The ulnar nerve divides into the <i>superficial (cutaneous) & deep (muscular) branches</i> at the distal border of the retinaculum.
<br/>2. The ulnar nerve divides into the <i>superficial (cutaneous) & deep (muscular) branches</i> at the distal border of the retinaculum.
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<br/>DEEP MOTOR BRANCH
<br/>DEEP MOTOR BRANCH
<br/><i>4. Supplies medial 2 lumbricals, all interossi, all hypothenar muscles, adductor pollicis (of the thumb). </i>
<br/><i>4. Supplies medial 2 lumbricals, all interossi, all hypothenar muscles, adductor pollicis (of the thumb). </i>
<br/><i></i>
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<br/><i>[[Image:paste-53437983097771.jpg]]</i>
<br/><i>[[Image:paste-53437983097771.jpg]]</i>
<br/><i></i>
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<br/><b>Image:</b> Whitaker, R. and Borley, N. (2016). Instant anatomy. 6th ed. Chichester (West Sussex): Wiley Blackwell, p.126.
<br/><b>Image:</b> Whitaker, R. and Borley, N. (2016). Instant anatomy. 6th ed. Chichester (West Sussex): Wiley Blackwell, p.126.


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

Revision as of 08:38, 30 December 2022

SUMMARY

1. The ulnar nerve and artery (lateral to the nerve) enter the hand on the flexor retinaculum, close to the pisiform. Both pass through the Guyon canal. 
2. The ulnar nerve divides into the superficial (cutaneous) & deep (muscular) branches at the distal border of the retinaculum.

SUPERFICIAL CUTANEOUS BRANCH
3. Supplies palmar skin over medial 1.5 digits. 

DEEP MOTOR BRANCH
4. Supplies medial 2 lumbricals, all interossi, all hypothenar muscles, adductor pollicis (of the thumb). 

Paste-53437983097771.jpg

Image: Whitaker, R. and Borley, N. (2016). Instant anatomy. 6th ed. Chichester (West Sussex): Wiley Blackwell, p.126.


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.