Bar: The bar is an extension of the hoof wall which runs along the side of the frog.
Frog: One of the most important but often neglected structures of the horse's hoof.
Coronary Band: This is the groove that runs along either side of the frog.
Healthy Hooves. "Hoof Anatomy, A Beginner's Guide." 01 01 2015. Healthy Hooves. 18 11 2015 <http://www.healthyhooves.co.uk/hoof_anatomy.pdf>.