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Sigmoid notch is present in
Sigmoid notch is present in
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Solution
The correct option is A Ulna
Ulna is one of the two bones of the forearm. Its superior concave surface articulates with the capitulum of the humerus at elbow joint. The ulna has a radial notch, which forms radio-ulnar joint. The articular surface for the ulna is called the ulnar notch (sigmoid cavity) of the radius; it is in the distal radius and is narrow, concave, smooth and articulates with the head of the ulna forming the distal radioulnar joint.
Ulna is one of the two bones of the forearm. Its superior concave surface articulates with the capitulum of the humerus at elbow joint. The ulna has a radial notch, which forms radio-ulnar joint. The articular surface for the ulna is called the ulnar notch (sigmoid cavity) of the radius; it is in the distal radius and is narrow, concave, smooth and articulates with the head of the ulna forming the distal radioulnar joint.
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