動關節
Diarthrosis \Di`ar*thro"sis\, n. [NL., fr. Gr. ?, fr. ? to joint, articulate; dia` through, asunder + ? to fasten by a joint, 'a`rqron joint.] (Anat.) A form of articulation which admits of considerable motion; a complete joint; abarticulation. See {Articulation}.
diarthrosis n : a joint so articulated as to move freely [syn: {synovial joint}, {articulatio synovialis}] [also: {diarthroses} (pl)]