Urogenital triangle: Difference between revisions
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{{Short description|Anatomical region of the perineum}} | |||
{{Use dmy dates|date=October 2023}} | |||
The '''urogenital triangle''' is a division of the [[perineum]] that includes the external genitalia and the openings of the [[urinary system]]. It is one of the two triangles of the perineum, the other being the [[anal triangle]]. | |||
The urogenital triangle is bounded by the [[pubic | ==Anatomy== | ||
The urogenital triangle is located in the anterior part of the perineum. It is bounded by the [[pubic symphysis]] anteriorly, the [[ischiopubic rami]] laterally, and an imaginary line between the [[ischial tuberosities]] posteriorly. The triangle is oriented in a horizontal plane when the body is in the anatomical position. | |||
The urogenital triangle contains the [[ | ===Muscles=== | ||
The urogenital triangle contains several important muscles, including the [[bulbospongiosus muscle]], the [[ischiocavernosus muscle]], and the [[superficial transverse perineal muscle]]. These muscles play a role in the function of the external genitalia and the support of the pelvic organs. | |||
[[File:1116_Muscle_of_the_Female_Perineum.png|thumb|Muscles of the female perineum]] | |||
[[File:1116_Muscle_of_the_Male_Perineum.png|thumb|Muscles of the male perineum]] | |||
===Fascia=== | |||
The urogenital triangle is covered by the [[perineal fascia]], which is divided into superficial and deep layers. The superficial fascia is further divided into a fatty layer and a membranous layer, known as [[Colles' fascia]]. The deep fascia, also known as the [[perineal membrane]], provides support to the structures within the triangle. | |||
== | ===Contents=== | ||
In males, the urogenital triangle contains the root of the [[penis]] and the [[scrotum]]. In females, it contains the [[vulva]], which includes the [[labia majora]], [[labia minora]], [[clitoris]], and the openings of the [[urethra]] and [[vagina]]. | |||
==Function== | |||
The urogenital triangle plays a crucial role in the function of the urinary and reproductive systems. It supports the external genitalia and provides passage for the urethra and, in females, the vagina. The muscles of the urogenital triangle are involved in [[micturition]], [[sexual function]], and the support of pelvic organs. | |||
==Clinical significance== | |||
Injuries to the urogenital triangle can occur during [[childbirth]], [[surgery]], or [[trauma]]. Such injuries can affect the function of the urinary and reproductive systems and may require medical intervention. | |||
==Related pages== | |||
* [[Perineum]] | * [[Perineum]] | ||
* [[Pelvic floor]] | |||
* [[Anal triangle]] | * [[Anal triangle]] | ||
== References == | ==References== | ||
* Moore, K. L., Dalley, A. F., & Agur, A. M. R. (2013). ''Clinically Oriented Anatomy''. Lippincott Williams & Wilkins. | |||
* Standring, S. (2015). ''Gray's Anatomy: The Anatomical Basis of Clinical Practice''. Elsevier Health Sciences. | |||
[[ | [[File:Gray319.png|thumb|Diagram of the perineum]] | ||
[[ | [[File:Gray542.png|thumb|Sagittal section of the lower part of a female trunk, right segment]] | ||
[[ | [[File:Gray1077.png|thumb|The superficial branches of the internal pudendal artery]] | ||
[[Category:Anatomy of the pelvis]] | |||
[[Category:Human reproductive system]] | |||
Revision as of 00:02, 10 February 2025
Anatomical region of the perineum
The urogenital triangle is a division of the perineum that includes the external genitalia and the openings of the urinary system. It is one of the two triangles of the perineum, the other being the anal triangle.
Anatomy
The urogenital triangle is located in the anterior part of the perineum. It is bounded by the pubic symphysis anteriorly, the ischiopubic rami laterally, and an imaginary line between the ischial tuberosities posteriorly. The triangle is oriented in a horizontal plane when the body is in the anatomical position.
Muscles
The urogenital triangle contains several important muscles, including the bulbospongiosus muscle, the ischiocavernosus muscle, and the superficial transverse perineal muscle. These muscles play a role in the function of the external genitalia and the support of the pelvic organs.
Fascia
The urogenital triangle is covered by the perineal fascia, which is divided into superficial and deep layers. The superficial fascia is further divided into a fatty layer and a membranous layer, known as Colles' fascia. The deep fascia, also known as the perineal membrane, provides support to the structures within the triangle.
Contents
In males, the urogenital triangle contains the root of the penis and the scrotum. In females, it contains the vulva, which includes the labia majora, labia minora, clitoris, and the openings of the urethra and vagina.
Function
The urogenital triangle plays a crucial role in the function of the urinary and reproductive systems. It supports the external genitalia and provides passage for the urethra and, in females, the vagina. The muscles of the urogenital triangle are involved in micturition, sexual function, and the support of pelvic organs.
Clinical significance
Injuries to the urogenital triangle can occur during childbirth, surgery, or trauma. Such injuries can affect the function of the urinary and reproductive systems and may require medical intervention.
Related pages
References
- Moore, K. L., Dalley, A. F., & Agur, A. M. R. (2013). Clinically Oriented Anatomy. Lippincott Williams & Wilkins.
- Standring, S. (2015). Gray's Anatomy: The Anatomical Basis of Clinical Practice. Elsevier Health Sciences.
