CHAPTER II 
REGIONAL ANATOMY 
ConsIDERED from a zoological standpoint, the foot of the 
horse will include all those parts from the knee and hock 
downwards. For the purposes of this treatise, however, the 
word foot will be used in its more popular sense, and will 
refer solely to those portions of the digit contained within 
the hoof. When, in this chapter on regional anatomy, or 
elsewhere, the descriptive matter or the illustrations exceed 
that limit, it will be with the object of observing the 
relationship: between the parts we are concerned with and 
adjoining structures. 
Taking the limit we have set, and enumerating the parts 
within the hoof from within outwards, we find them as 
follows : 
A. Tue Bonzs.—The lower portion of the second phalanx 
or os corone; the third phalanx, os pedis, or coffin bone; 
and the navicular or shuttle bone. 
B. Tue Ligamenrs.—The ligaments binding the articu- 
lation. 
C. Tue Tenpons.—The terminal portions of the extensor 
pedis and the flexor perforans. 
. Toe ARTERIES. 
. Tue VeErns. 
. THE Nerves. 
. Tae Complementary APPARATUS oF THE Os Penis. 
. Tue Keratocenous Mumprans. 
THe Hoor. 
“HOQraS 
6 
