| 单词 | sphincter |
| 释义 | sphincter —sphincteral, sphincterial /sfingk tear"ee euhl/, sphincteric /sfingk ter"ik/, sphincterate /sfingk"teuhr it, -teuh rayt'/, adj. /sfingk"teuhr/, n. Anat. a circular band of voluntary or involuntary muscle that encircles an orifice of the body or one of its hollow organs. [1570-80; < LL < Gk sphinktér, equiv. to sphing-, base of sphíngein to hold tight + -ter suffix denoting agent] |
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