The spelling of the Latin term "musculus sphincter vesicae" can be broken down into its individual phonetic components using the International Phonetic Alphabet. "Musculus" is pronounced /ˈmʌskjələs/, "sphincter" is pronounced /ˈsfɪŋktər/, and "vesicae" is pronounced /vɛˈzɪkiə/. The word refers to the muscle that controls the release of urine from the bladder. Proper spelling is important in medical terminology, as errors can lead to confusion in treatment and diagnosis.
Musculus Sphincter Vesicae refers to a specific anatomical structure located in the urogenital system of mammals, including humans. Also known as the urinary bladder sphincter or the bladder neck sphincter, this muscle is responsible for regulating the release of urine from the urinary bladder into the urethra. Its main function is to control the flow of urine by constricting or relaxing the muscles around the opening of the bladder.
The musculus sphincter vesicae is composed of smooth muscle fibers and is situated at the junction between the urinary bladder and the urethra. When the bladder is full and an individual decides to urinate, the musculus sphincter vesicae relaxes and opens, allowing the urine to pass through the urethra and out of the body. On the other hand, when the bladder is not emptying, the muscle contracts, preventing the release of urine and maintaining continence.
Disorders or dysfunctions of the musculus sphincter vesicae can lead to problems such as urinary incontinence or urinary retention. For instance, a weakened or damaged sphincter may result in the inability to hold urine, causing involuntary leakage. On the contrary, an overactive or hypertonic sphincter can cause urinary retention, where the bladder does not fully empty. Various treatments such as medications, behavioral therapies, or surgical interventions can be employed to address these conditions and restore proper functioning of the musculus sphincter vesicae.
Annulus urethralis.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.