Английский разговорный словарь (основной) - sphincter
Sphincter
sphincter
ˈsfɪŋktə n. Anat. a ring of muscle surrounding andserving to guard or close an opening or tube, esp. theanus. øøsphincteral adj. sphinctered adj. sphincterial adj. sphincteric adj. [L f. Gk sphigkter f. sphiggo bind tight]