Ulnar notch of the radius
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"Sigmoid cavity" redirects here. For Greater sigmoid cavity, see Trochlear notch.
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.
Quick Facts Details, Identifiers ...
Ulnar notch of the radius | |
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Details | |
Identifiers | |
Latin | incisura ulnaris radii |
TA98 | A02.4.05.019 |
TA2 | 1228 |
FMA | 75082 23530, 75082 |
Anatomical terminology |
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