"During embryogenesis, the human embryo contains both Wolffian and Müllerian ducts. The sex-determining region (SRY) on the Y chromosome directs the differentiation of the primordial gonads into testes. Leydig cells subsequently secrete testosterone, facilitating the normal development of male reproductive structures, including the epididymes, ductus deferentes, seminal vesicles, and ejaculatory ducts 8."
"type 3: with other anomalies e.g. horseshoe kidney, fused ductus deferens, hypospadias and scrotal abnormality"
"History and etymology"
"Other causes of transverse testicular ectopias should be considered. There are three types:"