skeleton of a horse [2]
caudal vertebrae 
Bony parts comprising the skeleton of the tail located at the terminal end of the vertebral column.
sacral vertebrae 
Bony parts that are fused together between the lumbar and caudal vertebrae; the pelvis articulates with them.
lumbar vertebrae 
Bony parts of the back located between the thoracic and sacral vertebrae.
thoracic vertebrae 
Bony parts supporting the ribs between the cervical and lumbar vertebrae.
cervical vertebrae 
Bony parts of the neck comprising the upper terminal end of the vertebral column.