musculus sphincter ani
Definition
Noun: - The sphincter muscle of the anus: This term refers specifically to the ring of muscle that surrounds and controls the opening of the anus, responsible for maintaining continence.
Usage Notes
- This is a technical, anatomical term. It is primarily used in medical, biological, and academic contexts.
- In everyday language, people typically refer to this muscle more generally as the "anal sphincter."
Examples
- Noun:
- Damage to the musculus sphincter ani during childbirth can lead to incontinence.
- The surgeon carefully repaired the torn musculus sphincter ani.
Advanced Usage
- The term is often broken down into its specific components in detailed anatomical study: the (internal anal sphincter) and the (external anal sphincter).
Variants and Related Words
- Anal sphincter: The common, less technical term for the same structure.
- Sphincter: The general term for a circular muscle that constricts or closes an orifice.
- Internal anal sphincter (musculus sphincter ani internus): The involuntary, smooth muscle component.
- External anal sphincter (musculus sphincter ani externus): The voluntary, skeletal muscle component.
Synonyms
- Anal sphincter
- Anorectal sphincter (in broader context)
Related Phrases
- Sphincter control: Refers to the voluntary or involuntary regulation of this muscle.
- Pelvic floor exercises can help improve sphincter control.
- Sphincter injury: Damage to this muscle group.
- The patient was treated for a severe sphincter injury.
Noun
-
the sphincter muscle of the anus
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