Sphincter Ani (Noun)
Meaning
The sphincter muscle of the anus.
Classification
Nouns denoting body parts.
Examples
- The sphincter ani is a ring-like muscle that surrounds the anus and helps control the passage of stool.
- Involuntary relaxation of the sphincter ani can lead to fecal incontinence.
- Damage to the sphincter ani during childbirth can cause anal incontinence in some women.
- The external anal sphincter is the outermost part of the sphincter ani and is under voluntary control.
- Weakening of the internal anal sphincter, a component of the sphincter ani, can also contribute to fecal incontinence.