Sexual differentiation of the urogenital system of the fetal and neonatal tammar wallaby, Macropus eugenii

@article{Renfree1996SexualDO,
  title={Sexual differentiation of the urogenital system of the fetal and neonatal tammar wallaby, Macropus eugenii},
  author={Marilyn B Renfree and O Wai.-Sum and Roger V. Short and Geoffrey Shaw},
  journal={Anatomy and Embryology},
  year={1996},
  volume={194},
  pages={111-134}
}
In male tammar wallabies, the scrotum is the first organ to become sexually differentiated, 4–5 days before birth (day 22 of gestation). This is followed by enlargement of the gubernaculum and processus vaginalis one day before birth. However the indifferent gonad does not show any signs of testicular cord formation or androgen production until later, at around the time of birth; this is more pronounced at 2 days post-partum (p.p.), when the testis takes on a characteristic rounded appearance… CONTINUE READING
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