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anal sphincter

 
Sci-Tech Dictionary: anal sphincter
(′ān·əl ′sfiŋk·tər)

(anatomy) Either of two muscles, one voluntary and the other involuntary, controlling closing of the anus in vertebrates.


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Medical Dictionary: anal sphincter
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n.

Either of the two sphincter muscles of the anus. See under external and internal sphincter muscle of anus.

WordNet: anal sphincter
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Note: click on a word meaning below to see its connections and related words.

The noun has one meaning:

Meaning #1: the sphincter muscle of the anus
  Synonyms: sphincter ani, musculus sphincter ani


 
 
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Sci-Tech Dictionary. McGraw-Hill Dictionary of Scientific and Technical Terms. Copyright © 2003, 1994, 1989, 1984, 1978, 1976, 1974 by McGraw-Hill Companies, Inc. All rights reserved.  Read more
Medical Dictionary. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company Read more
WordNet. WordNet 1.7.1 Copyright © 2001 by Princeton University. All rights reserved.  Read more