词根词缀：lumb-, lumbo-

【来源及含义】Latin: loin; by extension, the lower back

【相关词根词缀】 Word families with similar applications: "back, backside" word units: dorso- (back, on the back); nuch- (nape of the neck); pygo- (rump, rear end, back side).

【同源单词】ascending lumbar vein, iliolumbar vein, ischemic lumbago, lumbago, lumbal, lumbar

词根词缀：tetan-, tetano-, tetani-

【来源及含义】Greek: tension, especially a convulsive tension; muscle spasm or tetanus, an infectious disease characterized by muscle spasms

【同源单词】artificial tetanus, ascending tetanus, cephalic tetanus, chronic tetanus, cryptogenic tetanus, descending tetanus