Page 134 - Anatomy and Physiology of Farm Animals, 8th Edition
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Joints / 119
Arthritis, or more correctly, osteoar- loss of articular cartilage, erosion of under-
lying bone, and the development of bone
thritis, is inflammation of the components
VetBooks.ir of a joint, causing swelling and pain; it spurs (enthesiophytes or osteophytes)
usually accompanies each of the conditions
around the margins of the joint. The obvi-
previously mentioned. Chronic inflamma- ous enlargements associated with high
tion is likely to produce bony and cartilagi- and low ringbone in horses are due to the
nous changes that can permanently affect enthesiophytes associated with the osteo-
the joint’s function. Degenerative joint arthritic pastern and coffin joints, respec-
disease (DJD) is the medical expression tively. These and other disorders affecting
often used to describe the multiple changes joints or related structures (mostly in
in a chronically inflamed joint; it includes horses) are listed in Table 6‐1.
