A large, triangular bone at the base of the vertebral column in many animals, formed by the fusion of several vertebrae. It connects the spine to the pelvis, supports body weight, and provides attachment sites for muscles of the back and hind limbs.
A large, triangular bone at the base of the vertebral column in many animals, formed by the fusion of several vertebrae. It connects the spine to the pelvis, supports body weight, and provides attachment sites for muscles of the back and hind limbs.