Elongated labia Elongated labia Elongated labia (also known as Sinus pudoris or macronympha and albeit nonmedically, as khoikhoi apron or hottentot apron), are a feature of certain Khoikhoi people, whose female members develop relatively elongated labia minora, hanging up to four inches outside their vulva when they are standing in an upright position. The "apron" designation was apparently gained from the tendency of early European descriptions to misidentify the pair of labia as a single, wide organ, which they called, in French, a "tablier", or "apron". This trait was first noted as far back as the 17th century, but became extensively documented
Urogenital sinus Urogenital sinus The urogenital sinus 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 anal canal during the fourth to seventh weeks of development. In males, the UG sinus is divided into three regions: upper, pelvic, and phallic. The upper part gives rise to the urinary bladder and the pelvic part gives rise to the prostatic and membranous parts of the urethra. The phallic portion gives rise to the penile urethra. In females, the pelvic part