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Lesser tubercle

From Wikipedia, the free encyclopedia
Bony projection on the proximal end of the humerus

Thelesser tubercle of thehumerus, although smaller, is more prominent than thegreater tubercle: it is situated in front, and is directed medially and anteriorly.

The projection of thelesser tubercle is anterior from the junction that is found between theanatomical neck and theshaft of the humerus and easily identified due to theintertubercular sulcus (Bicipital groove).

Lesser Tubercle of right humerus
Lesser tubercle of right humerus
Insertion of subscapularis muscle
Insertion of subscapularis muscle

Above and in front it presents an impression for the insertion of the tendon of thesubscapularis.

Additional images

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  • The left shoulder and acromioclavicular joints, and the proper ligaments of the scapula.
    The left shoulder and acromioclavicular joints, and the proper ligaments of the scapula.
  • Human arm bones diagram
    Human arm bones diagram

References

[edit]

Public domainThis article incorporates text in thepublic domain frompage 209 of the 20th edition ofGray's Anatomy(1918)

External links

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Bones of thearm
Shoulder girdle,clavicle
Scapula
Humerus
Forearm
Radius
Ulna
Hand
Carpal bones
Metacarpal bones
Phalanges
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