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<p>CSV import</p> <p><b>New page</b></p><div>[[File:Gray1109.png|thumb|Gray1109.png]] &#039;&#039;&#039;Urogenital sinus&#039;&#039;&#039;<br /> <br /> The &#039;&#039;&#039;urogenital sinus&#039;&#039;&#039; is a part of the embryonic development of the [[genitourinary system]] in mammals, including humans. It is a structure that eventually forms parts of the [[urinary system]] and the [[reproductive system]].<br /> <br /> ==Embryology==<br /> During the early stages of embryonic development, the [[cloaca]] is divided by the [[urorectal septum]] into the [[rectum]] and the urogenital sinus. The urogenital sinus itself is divided into three parts: the upper part, which forms the [[urinary bladder]]; the pelvic part, which forms the [[prostatic urethra]] in males and the entire urethra in females; and the phallic part, which contributes to the formation of the [[penile urethra]] in males and the [[vestibule of the vagina]] in females.<br /> <br /> ==Developmental Anomalies==<br /> Abnormal development of the urogenital sinus can lead to various congenital conditions. One such condition is [[persistent cloaca]], where the rectum, vagina, and urinary tract meet in a single common channel. Another condition is [[urogenital sinus anomaly]], where the urethra and vagina open into a common channel.<br /> <br /> ==Clinical Significance==<br /> The urogenital sinus is significant in the study of [[intersex]] conditions and disorders of sexual development (DSDs). In some intersex conditions, the urogenital sinus may not develop typically, leading to ambiguous genitalia or other anatomical variations.<br /> <br /> ==Related Structures==<br /> * [[Cloaca]]<br /> * [[Urorectal septum]]<br /> * [[Urinary bladder]]<br /> * [[Prostatic urethra]]<br /> * [[Penile urethra]]<br /> * [[Vestibule of the vagina]]<br /> * [[Persistent cloaca]]<br /> * [[Intersex]]<br /> <br /> ==See Also==<br /> * [[Genitourinary system]]<br /> * [[Embryonic development]]<br /> * [[Congenital disorder]]<br /> * [[Disorders of sexual development]]<br /> <br /> ==References==<br /> {{Reflist}}<br /> <br /> ==External Links==<br /> {{Commons category|Urogenital sinus}}<br /> <br /> [[Category:Embryology]]<br /> [[Category:Congenital disorders]]<br /> [[Category:Intersex variations]]<br /> [[Category:Urology]]<br /> [[Category:Gynecology]]<br /> <br /> {{medicine-stub}}</div>

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