词根：macul = stain, spot

  来自拉丁语的macul 意为stain,spot。


同源词：

1. immaculate（没有瑕疵、污点 im<in(=not) + macul(stain,spot)）
  adj.清白的；没有瑕疵的，完美的；没有污点的，洁净的
  My mother's kitchen was so immaculate you could serve a meal on the floor.我妈妈的厨房干净得可以让你在地上就餐。

2. macula
  n.斑点

词根词缀：sphinctero-, sphincter-

【来源及含义】Greek > Latin: that which binds tightly, press together; band, lace; hence, muscle that closes an aperture of the body; a ringlike band of muscle fibers that constricts a passage or closes a natural orifice

【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-; anu-; celo-; coelio-; concho-; fenestra-; hernio-; hiat-; meato-; ora-; parieto-; poro-; pyl-, pyle-; pylor-; splanchn-; stomato-; syringo-; uretero-; urethro-; vagino-; ventricul-.

【同源单词】blepharosphincterectomy, electromyography of pelvic floor sphincter, lissosphincter, rhabdosphincter, sphincter, sphincteralgia