Corona Anatomical Corona Band-like proximal portion of the hoof, including epidermis, dermis and subcutaneous tissue deep and distal to the limbus.
Coronal Anatomical Coronalis Pertaining to a coronal structure. Specifically, the corona of the foot.
Coronary band Anatomical Corona Synonym for corona.
Coronary groove Anatomical Sulcus coronalis A groove in the proximal border of the hoof capsule that contains the germinal layers of the epidermis, the dermis, and subcutaneous tissue of the coronary integument. Synonym: coronary sulcus.
Coronet Anatomical Margo coronalis Proximal border of the hoof capsule wall.

Microcirculation of the coronary band of the equine hoof.
Marais J, Masty J.
SourceDepartment of Veterinary Anatomy, College of Veterinary Medicine, Ohio State University, Columbus.

Abstract
Scanning-electron-microscopic examination of corrosion casts was used to investigate the microcirculation of the coronary border of the equine hoof. Numerous peg-shaped capillary plexuses derived from arterioles extended distally from the dorsal branches of the digital arteries parallel to the hoof wall. The plexuses varied in length and consisted of a fine network of interconnected capillaries that converged to join a centrally situated venule. These centrally situated venules within the papillary plexuses gave rise to a vast venous plexus deep to the coronary band.

PMID:3213401[PubMed - indexed for MEDLINE] Publication Types, MeSH TermsPublication TypesResearch Support, Non-U.S. Gov'tMeSH TermsAnimalsHoof and Claw/blood supply*Hoof and Claw/ultrastructureHorses/anatomy & histology*Microcirculation/ultrastructureMicroscopy, Electron, Scanning

http://www.ncbi.nlm.nih.gov/pubmed/3213401 :

There are a number of publications that refer to it as the coronary band. So why would that be incorrect?

Caroline
~I don't suffer from madness. I enjoy every minute of it.~