Health Dictionary
Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.
Sinus urogenitalis
Introduction
The urogenital sinus (also known as the persistent cloaca) is a part of the human body only present in the development of the urinary and reproductive organs. It is the ventral part of the cloaca, formed after the cloaca separates from the rectum. It eventually becomes, among other things, the bladder.
Pathology
Pathology
A urogenital sinus anomaly is also a rare birth defect in women where the urethra and vagina both open into a common channel.
Additional images
Additional images
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Enlarged view from the front of the left Wolffian body before the establishment of the distinction of sex.
