Congenital Prostato-Urethral Fistula Caused by Persistence of the Mesonephric (Wolffian) Duct
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چکیده
منابع مشابه
Congenital fistula of lacrimal duct.
CONGENITAL fistula of the lacrimal duct is very rare, and is usually associated with other congenital anomalies (Duke-Elder, 1932, 1952; Gray, 1949; Spaeth, 1948). The epithelium of the ducts and alveoli of the lacrimal gland is derived from a series of ectodermal invaginations in the region of the superior conjunctival fornix. Early buds form the orbital portion, while secondary buds from abov...
متن کاملnewt, Triturus pyrrhogaster (Kotani, 1962), no mesonephric nephrons are formed from the mesonephric mesenchyme after the removal of the Wolffian duct. At least in chicken a segment of the distal tubule is derived from the Wolffian duct (Croisille
The diversity of cell types and the complexity of the structures increase during the urogenital morphogenesis (reviewed by Saxén, 1987; Bard et al., 1996). This is exemplified by the development of the mammalian permanent kidney, the metanephros, that is preceded by two transient and primitive organs, the pronephros and the mesonephros (reviewed by Saxén, 1987). They develop along the caudally ...
متن کاملRegulation of Wolffian duct development.
Wolffian ducts (WDs) are the embryonic structures that form the male internal genitalia. These ducts develop in both the male and female embryo. However, in the female they subsequently regress, whereas in the male they are stabilised by testosterone. The WDs then develop into separate but contiguous organs, the epididymis, vas deferens and seminal vesicles. Recently, considerable progress has ...
متن کاملBile duct-duodenal fistula caused by AIDS/HIV-associated tuberculosis.
Although infrequent, digestive fistulae in HIV/AIDS patients have been reported throughout the digestive tract from the esophagus to the anus, with predominance of esophageal fistulae. AIDS/HIV-associated opportunistic infections may invade the digestive system and lead to fistula formation. Tuberculosis is the most common infection associated with these esophageal fistulae. We report here one ...
متن کاملA Case of Congenital Rectourethral Fistula, Urethral Dilatation and Segmental Urethral Agenesis Encountered in a Calf**
The purpose of this case presentation is to describe multiple urogenital system anomalies in a calf. The case was a month old male Simmental calf that was brought to the clinic with a problem of progressive congenital swelling between the perianal and scrotal area. Clinical examination revealed that the swelling was quite large and tight in tendency. A rectourethral fistula was identified durin...
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ژورنال
عنوان ژورنال: Journal of the Royal Society of Medicine
سال: 1989
ISSN: 0141-0768,1758-1095
DOI: 10.1177/014107688908200617