proximal radioulnar joint
Also found in: Acronyms.
prox·i·mal ra·di·o·ul·nar joint
[TA]the pivot synovial joint between the head of the radius and the ring formed by the radial notch of the ulna and the annular ligament.
prox·i·mal ra·di·o·ul·nar joint
(prok'si-măl rā'dē-ō-ŭl'năr joynt) [TA]The pivot synovial joint between the head of the radius and the ring formed by the radial notch of the ulna and the anular ligament.