关节 articulation; joint; key links\n【医】 arthr-; arthro-; arthron; article; articulatio; articulation\n articulationes; articuli; articulus; artus; joint; junctura; syntaxis\n相关词组:\n 不动关节\n 副关节\n 骨关节炎\n 股关节痛\n 关节的\n 关节窝\n 关节炎\n 腕关节\n 无关节的\n 膝关节\n 杵臼关节\n 踝关节\n 骶骨关节病