synovial
/sɪˈnəʊvɪəl/adjective
- relating to or denoting a type of joint which is surrounded by a thick flexible membrane forming a sac into which is secreted a viscous fluid that lubricates the joint滑液的; 含有滑液的。
词源
mid 18th cent.: from modern Latin synovia, probably formed arbitrarily by Paracelsus.