Mar 2, 2012
Radius
Head of Radius: Circular end at the proximal end which the top flat surface articulates with the radial fossa of the humerus and the rounded ring articulates with the radial notch of the ulna Neck: The circumference of the radius just inferior to the head Radial Tuberosity: The bump inferior to the head and neck at the proximal end Interosseus Margin: The sharp edge of the shaft facing medially Styloid Process: The prominent projection at the distal end sitting laterally Ulnar Notch: The small indention at the distal end opposite to the styloid process sitting medially articulating with the head of the ulna