The baculum

@article{Stockley2012TheB,
  title={The baculum},
  author={Paula Stockley},
  journal={Current Biology},
  year={2012},
  volume={22},
  pages={R1032-R1033}
}
urethra from compression during copulation. Consistent with a role in mechanical support, certain primates and carnivore species that have prolonged copulation also have a longer baculum. A role in female stimulation also seems likely, particularly in species where copulation is prolonged with multiple intromissions, thrusting or multiple ejaculations… CONTINUE READING