Identification of parasagittal subchondral crack arrays in the distal end of the third metacarpal bone of Thoroughbred racehorses by computed tomography and direct observation.

Note: One hundred fourteen condyles from 57 MC3 bones from 38 different horses were dissected and digested to evaluate the articular surface (see also Fig. 1). Data represent number of condyles. Percentages represent proportion of total (114 condyles).