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Dictionary » Sphincter


Introduction: Sphincter

Description of Sphincter

Sphincter: A ring-shaped muscle that relaxes or tightens to open or close a passage or opening in the body. Examples are the anal sphincter (around the opening of the anus) and the pyloric sphincter (at the lower opening of the stomach).
Source: National Institute of Health

Sphincter: a ring of muscle that contracts to close an opening.
Source: WordNet 2.1

Sphincter: Related Topics

These medical condition or symptom topics may be relevant to medical information for Sphincter:

Terms associated with Sphincter:

Terms Similar to Sphincter:

Source - WordNet 2.1

More specific terms for Sphincter:

Source - WordNet 2.1

Broader terms for Sphincter

Source - WordNet 2.1

Hierarchical classifications of Sphincter

The following list attempts to classify Sphincter into categories where each line is subset of the next.

WordNet 2.1

  • muscle,musculus
  • contractile organ,contractor
  • organ
  • body part
  • part,piece
  • thing
  • entity

Source: WordNet 2.1

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