What is the definition of Sphincter? | Dictionary.net

SPHINCTER

\sfˈɪŋktə], \sfˈɪŋktə], \s_f_ˈɪ_ŋ_k_t_ə]\

Definitions of SPHINCTER

2006 - WordNet 3.0
2011 - English Dictionary Database
1920 - A practical medical dictionary.
1898 - Warner's pocket medical dictionary of today.
1899 - The american dictionary of the english language.
1914 - Nuttall's Standard dictionary of the English language
1874 - Etymological and pronouncing dictionary of the English language
1920 - A dictionary of scientific terms.
1846 - Medical lexicon: a dictionary of medical science
1898 - American pocket medical dictionary
1916 - Appleton's medical dictionary

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a ring of muscle that contracts to close an opening

2006 - WordNet 3.0
By Princeton University

a ring of muscle that contracts to close an opening

2011 - English Dictionary Database
By DataStellar Co., Ltd

An orbicular muscle which serves, when in a state of normal contraction, to close one of the orifices of the body.

1920 - A practical medical dictionary.
By Stedman, Thomas Lathrop

Ring-like muscle, which when it contracts closes an opening.

1898 - Warner's pocket medical dictionary of today.
By William R. Warner

A muscle that contracts or shuts an orifice or opening which it surrounds.

1899 - The american dictionary of the english language.
By Daniel Lyons

A muscle that contracts or shuts an orifice or aperture round which it is placed.

1914 - Nuttall's Standard dictionary of the English language
By Nuttall, P.Austin.

In anat., a muscle that contracts or shuts an orifice or opening which it surrounds.

1874 - Etymological and pronouncing dictionary of the English language
By Stormonth, James, Phelp, P. H.

A muscle which contracts or closes an orifice, as that of bladder, anus, mouth.

1920 - A dictionary of scientific terms.
By Henderson, I. F.; Henderson, W. D.

A name given to several annular muscles, which constrict or close certain natural openings.

1846 - Medical lexicon: a dictionary of medical science
By Robley Dunglison

A ring-like muscle which closes a natural orifice

1898 - American pocket medical dictionary
By Willam Alexander Newman Dorland

Syn.: circular muscle. An annular muscle which constricts or closes a natural orifice; especially the s. ani.

1916 - Appleton's medical dictionary
By Smith Ely Jelliffe

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