C7 T13 Th13 L6 S4 Cd15-20
Here's what each letter stands for:
* C: Cervical vertebrae (neck) - 7
* T: Thoracic vertebrae (chest) - 13
* Th: Thoracic vertebrae (chest) - 13 (sometimes used interchangeably with T)
* L: Lumbar vertebrae (lower back) - 6
* S: Sacral vertebrae (fused to form the sacrum) - 4
* Cd: Caudal vertebrae (tail) - 15-20 (variable depending on the breed and individual)
This means a sheep typically has:
* 7 neck bones
* 13 chest bones
* 6 lower back bones
* 4 fused sacral bones
* 15-20 tail bones