词根词缀：anu-, ana-, an-, anal-, ano-

【来源及含义】Latin: ring, an iron ring for the feet; circle; (so called because of its form); usually the posterior opening of the alimentary canal through which undigested food is voided; the anus

【相关词根词缀】;A cross reference of other word family units that are related directly, indirectly, or partially with: "opening, hole, cavity, tract, tube": ;alveolo-,antro-,celo-,coelio-,concho-,fenestra-,hernio-,hiat-,meato-,ora-,parieto-,poro-,pyl-, pyle-,pylor-,sphinctero-,splanchn-,stomato-,syringo-,uretero-,urethro-,vagino-,ventricul-.

【同源单词】anoderm, anoperineal, anophony, anorectal, anorectocolonic, anorectum