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:

• Muscle
• Muscle symptoms (7251 causes)
• Muscle disease
• Muscle disorder
• Muscle pain (956 causes)
• Opening

Terms associated with Sphincter:

Terms Similar to Sphincter:

• anatomical sphincter
• sphincter muscle

Source - WordNet 2.1

More specific terms for Sphincter:

• physiological sphincter
• anal sphincter
• sphincter ani
• musculus sphincter ani
• urethral sphincter
• musculus sphincter urethrae
• bladder sphincter
• musculus sphincter vesicae
• musculus sphincter ductus choledochi
• musculus sphincter ductus pancreatici
• pupillary sphincter
• musculus sphincter pupillae
• pyloric sphincter
• pyloric valve
• musculus sphincter pylori

Source - WordNet 2.1

Broader terms for Sphincter

• muscle
• musculus

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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Medical dictionaries:

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• Medical Acronymns/Abbreviations

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