Urethral Sphincter (Noun)
Meaning
A striated sphincter muscle that constricts the urethra.
Classification
Nouns denoting body parts.
Examples
- The urethral sphincter is a ring-like muscle that surrounds the urethra and helps to control the flow of urine.
- Damage to the urethral sphincter can lead to urinary incontinence, a condition where a person loses control of their bladder.
- The urethral sphincter is made up of skeletal muscle fibers, which are under voluntary control, allowing us to consciously control the flow of urine.
- In males, the urethral sphincter is located at the base of the bladder, while in females it is located within the pelvic floor muscles.
- The urethral sphincter works in conjunction with the internal urethral sphincter, a smooth muscle layer that also surrounds the urethra, to provide a tight seal and prevent leakage of urine.