|
Medical Definition of Helicoid ginglymus
1. A synovial joint in which a section of a cylinder of one bone fits into a corresponding cavity on the other, as in the proximal radioulnar joint. Synonym: articulatio trochoidea, helicoid ginglymus, lateral ginglymus, rotary joint, rotatory joint, trochoid articulation, trochoid joint. (05 Mar 2000)