proximal radioulnar joint
noun
: a pivot joint between the upper end of the radius and the ring formed by the radial notch of the ulna and its annular ligament that permits rotation of the proximal head of the radius
called also superior radioulnar joint
Cite this Entry
“Proximal radioulnar joint.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/proximal%20radioulnar%20joint. Accessed 29 Nov. 2025.
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