Click on the structure to specify the target of your label
 |
 |
 |
||
 |
 |
 |
 |
 |
01 |  |
Sphincter urethrovaginalis
Other Terms:
Musculus sphincter urethrovaginalis,
Muscle sphincter urétro-vaginal
Muscle parts
None
Latin name
Musculus sphincter urethrovaginalis (female)
Latin muscle parts
None
Group
Pelvis/perineal wall – lateral musculature – middle layer
Etymology
In English, this muscle’s name is the muscle that binds tight around the urine maker and sheath. The word sphincter comes from the Greek sphinkter meaning “that which binds tight,” which in turn comes from the Greek verb sphingein meaning “to bind tight.” The word urethrae arises from the Greek ourethra meaning “to make urine.” This comes from the Greek ouron meaning “urine.” This is an ancient term that is traceable back to the time of Hippocrates. The Latin word vagina means “sheath,” referring to the sheath like relationship formed with the penis during intercourse.
Origin
Perineal body.
Insertion
Joins opposite muscle to form a sling like aponeurosis on anterior side of urethra.
Action
Elongate and compress urethra and vagina.
Nerve supply
Perineal branches of the pudendal nerve (S2, S3, and S4)
Blood supply
Internal pudendal artery from the internal iliac artery.
Latin
Musculus sphincter urethrovaginalis
French
Muscle sphincter urétro-vaginal
