The upper opening of the bony pelvis, marking the boundary between the abdominal cavity and the true pelvis. It serves as the entryway for the birth canal in females and provides a reference point for the position of some organs.
The upper opening of the bony pelvis, marking the boundary between the abdominal cavity and the true pelvis. It serves as the entryway for the birth canal in females and provides a reference point for the position of some organs.