Musculus Sphincter Urethrae (Noun)
Meaning
A striated sphincter muscle that constricts the urethra.
Classification
Nouns denoting body parts.
Examples
- The musculus sphincter urethrae is a striated muscle that plays a crucial role in maintaining urinary continence by constricting the urethra.
- Damage to the musculus sphincter urethrae can lead to urinary incontinence, as the muscle is no longer able to effectively constrict the urethra.
- The musculus sphincter urethrae is innervated by the pudendal nerve, which allows for voluntary control over the muscle's contraction and relaxation.
- In addition to its role in constricting the urethra, the musculus sphincter urethrae also helps to stabilize the pelvic floor.
- Weakness or hypertonia of the musculus sphincter urethrae can disrupt normal urination patterns, leading to symptoms such as urinary frequency or retention.