
Keywords: TCF، عامل T-cell; IR, immunoreactivity; CM, cremaster muscle; E, embryonic day; D, postnatal day; AR, androgen receptor; TCF, T-cell factor; LEF, Lymphoid enhancing factor; IGF-1, insulin like growth factor-1Cryptorchidism; Gubernaculums; Beta-catenin; Testes; Wnt signalin