American Veterinary Review, 
FEBRUARY, 1883. 
ORIGINAL ARTICLES. 
THE HORSE’S FOOT. 
By A. Zundel. 
(Continued from page 432 .) 
NAVICULAR DISEASE. 
Synonyms. — C/ironische HufgenJdahme , German; MaladieNa- 
viculaire , French. This disease, called by Loisel and H. Bouley, 
podosesamoideal synovitis (synovite podosesamoidienne); by * 
Brauell, chronic podotrochlitis, is an inflammation of the sesamoid 
sheath of the horse, that Turner and some other English veterina¬ 
rians were the first to describe, and which is mostly observed in 
thoroughbreds. 
The disease is principally seen in the fore feet, and more com¬ 
monly in one foot alone; sometimes, however, both legs are af¬ 
fected, one first, and the other following. Navicular disease of 
the hind feet is seldom observed. 
It is accompanied with lameness and deformity of the foot, 
and often proves rebellious to treatment. It is followed by con¬ 
traction of the heels, ( encastelure ) which is itself often mistaken 
for navicular disease. At any rate, the affections are nearly re¬ 
lated, whether the disease of the sesamoid sheath, first occurring, 
