Anatomical Neck
The anatomical neck (collum anatomicum) is obliquely directed, forming an obtuse angle with the body. It is best marked in the lower half of its circumference; in the upper half it is represented by a narrow groove separating the head from the tubercles. It affords attachment to the articular capsule of the shoulder-joint, and is perforated by numerous vascular foramina. Fracture of the anatomical neck rarely occurs.
The anatomical neck of the humerus is an indentation distal to the head of the humerus on which the articular capsule attaches.
Read more about this topic: Upper Extremity Of Humerus
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