External sphincter muscle of female urethra
Encyclopedia
The external sphincter muscle of female urethra is a muscle which controls urination
in women.
The terms "urethrovaginal sphincter" ("sphincter urethrovaginalis") is sometimes used to describe the component adjacent to the vagina
. However, this term is not supported in Terminologia Anatomica
.
The "compressor urethrae" is also considered a distinct, adjacent muscle by some sources, but not by Terminologia Anatomica.
Urination
Urination, also known as micturition, voiding, peeing, weeing, pissing, and more rarely, emiction, is the ejection of urine from the urinary bladder through the urethra to the outside of the body. In healthy humans the process of urination is under voluntary control...
in women.
The terms "urethrovaginal sphincter" ("sphincter urethrovaginalis") is sometimes used to describe the component adjacent to the vagina
Vagina
The vagina is a fibromuscular tubular tract leading from the uterus to the exterior of the body in female placental mammals and marsupials, or to the cloaca in female birds, monotremes, and some reptiles. Female insects and other invertebrates also have a vagina, which is the terminal part of the...
. However, this term is not supported in Terminologia Anatomica
Terminologia Anatomica
Terminologia Anatomica is the international standard on human anatomic terminology. It was developed by the Federative Committee on Anatomical Terminology and the International Federation of Associations of Anatomists and was released in 1998. It supersedes the previous standard, Nomina...
.
The "compressor urethrae" is also considered a distinct, adjacent muscle by some sources, but not by Terminologia Anatomica.