Mammal, vertebrae (Gross, Low)

Structure List Cervical Vertebrae Thoracic Vertebrae Lumbar Vertebrae Sacral Vertebrae Caudal Vertebrae

The weight of the posterior part of the body is transferred to the pelvic girdle through a strong sacrum containing sacral vertebrae and their ribs which are usually fused. More sacral vertebrae are present in species that undergo greater stresses (i.e., horse).