This includes the sacrum, coccyx, ilium, ischium, and pubis. The type of pelvic fracture a person has may depend on the trauma impact, which can range from mild to severe.

For 130 years, dinosaurs have been organized into two groups based on the structure of their hips. Mammals, birds, and most reptiles have hips composed of three major bones: the ilium, the ischium ...

Morphology of a tetrapodomorph fish pelvis (Eusthenopteron) and a tetrapod (Acanthostega). Catherine Boisvert One issue was that the ischium seems to be a completely new structure in tetrapods and ...