Word Study
spherulite |
spherulitic |
sphery |
sphex |
sphigmometer |
sphincter
| sphincter ani
| sphincter muscle
| sphingid
| sphingidae
| sphingine
sphincter
WORDNET DICTIONARY
Noun sphincter has 1 sense
- sphincter(n = noun.body) anatomical sphincter, sphincter muscle - a ring of muscle that contracts to close an opening; Array is a kind of muscle, musculus
has particulars: physiological sphincter, anal sphincter, musculus sphincter ani, sphincter ani, musculus sphincter urethrae, urethral sphincter, bladder sphincter, musculus sphincter vesicae, musculus sphincter ductus choledochi, musculus sphincter ductus pancreatici, musculus sphincter pupillae, pupillary sphincter, musculus sphincter pylori, pyloric sphincter, pyloric valve
CIDE DICTIONARY
sphincter, n. [NL., fr. to bind tight.].
A muscle which surrounds, and by its contraction tends to close, a natural opening; as, the sphincter of the bladder. [1913 Webster]
sphincter, a.
Of, pertaining to, or designating, a sphincter; as, a sphincter muscle. [1913 Webster]
OXFORD DICTIONARY
sphincter, n. Anat. a ring of muscle surrounding and serving to guard or close an opening or tube, esp. the anus.
Derivative
sphincteral adj. sphinctered adj. sphincterial adj. sphincteric adj.
Etymology
L f. Gk sphigkter f. sphiggo bind tight
THESAURUS
sphincter
O, annular muscle, annulus, areola, aureole, chaplet, circle, circuit, circumference, circus, closed circle, corona, coronet, crown, cycle, diadem, discus, disk, eternal return, fairy ring, garland, glory, halo, lasso, logical circle, loop, looplet, magic circle, noose, orbit, radius, ring, rondelle, round, roundel, saucer, vicious circle, wheel, wreath
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