Figure 2.

Representative sections of urogenital sinus of day 45 pouch young. (a) Urogenital sinus of a control female treated with 5β-adiol contains no prostatic buds. (b) Normal male urogenital sinus with numerous prostatic buds surrounding the urogenital sinus (arrows). (c) Urogenital sinus from a female treated with 5α-adiol contains prostatic buds (arrows) similar to those of males. (d) Caudal section of urogenital sinus from female treated with 5α-adiol shows extensive branching of the urogenital sinus, with numerous large prostatic buds (arrows) not seen in males at this age. ugs, urogenital sinus; md, mullerian duct. Bar represents 0.1 mm.