Chronic inflammatory changes occurring in connection with the navicular bursa, affecting variously the bursa itself, the perforans tendon, or the navicular bone, and characterized by changes in the form of the hoof and persisting lameness.

Although not a joint in the strict sense of the word, we, nevertheless, intend here to consider the navicular bursa as such.

In this letter he says: [Footnote A: The coffin-joint at this time included the navicular bursa.]

Otherwise, the wound, as yet, perhaps, superficial enough to avoid penetrating even the bursa, is made a penetrating one by the probe itself.