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Medial epicondyle of the humerus

medial epicondyle of the humerus, medial epicondyle of the humerus to the lateral epicondyle of the humerus
The medial epicondyle of the humerus is an epicondyle of the humerus bone of the upper arm in humans It is larger and more prominent than the lateral epicondyle and is directed slightly more posteriorly in the anatomical position In birds, where the arm is somewhat rotated compared to other tetrapods, it is called the ventral epicondyle of the humerus In comparative anatomy, the more neutral term entepicondyle is used

The medial epicondyle gives attachment to the ulnar collateral ligament of elbow joint, to the pronator teres, and to a common tendon of origin the common flexor tendon of some of the flexor muscles of the forearm: the flexor carpi radialis, the flexor carpi ulnaris, the flexor digitorum superficialis, and the palmaris longus

The ulnar nerve runs in a groove on the back of this epicondyle The medial epicondyle protects the ulnar nerve The ulnar nerve is vulnerable because it passes close to the surface along the back of the bone Striking the medial epicondyle causes a tingling sensation in the ulnar nerve This response is known as striking the “funny bone”1 The name funny bone could be from a play on the words humorous and humerus, the bone on which the medial epicondyle is locatedcitation needed The medial epicondyle is located on the distal end of the humerus Additionally, the medial epicondyle is inferior to the medial supracondylar ridge It is also proximal to the olecranon fossa

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Referencesedit

This article incorporates text in the public domain from the 20th edition of Gray's Anatomy 1918

  1. ^ Saladin, Kenneth S Anatomy & Physiology: The Unity of Form and Function McGraw-Hill Publishing Co ISBN 978-0071316385 

External linksedit

  • Anatomy figure: 07:02-02 at Human Anatomy Online, SUNY Downstate Medical Center
  • aplabdead link - BioWeb at University of Wisconsin System
  • radiographsul at The Anatomy Lesson by Wesley Norman Georgetown University xrayelbow

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Medial epicondyle of the humerus


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    Medial epicondyle of the humerus beatiful post thanks!

    29.10.2014


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