Anatomical neck of humerus
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The anatomical neck of the humerus is obliquely directed, forming an obtuse angle with the body of the humerus. It represents the fused epiphyseal plate.
The difference between anatomical neck and surgical neck of the humerus
Surgical neck of the humerus
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The surgical neck of the humerus is a bony constriction at the proximal end of shaft of humerus. It is situated distal to the greater tubercle and lesser tubercle, and proximal to the deltoid tuberosi
Posterior view of the humerus showing the axillary nerve and posterior circumflex humeral artery at the surgical neck.
