Unilateral Urogenital Disontogeny in a Dog

<div>Histological aspect of the embryonal parenchyma of the left kidney: note that in the central portion of parenchyma, a well-developed Wolffian duct residue (arrow) is evolving, in the distal portion, into an epididymal-like structure. Insert: a Wolffian duct residue with a columnar epithelium and a lumen patent along its whole length is observed. 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Case Reports in Veterinary Medicine

Unilateral Urogenital Disontogeny in a Dog

Figure 7