[医] 动关节

[ noun ]
a joint so articulated as to move freely
<noun.body>

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}.