Fig. 20From: Ultrasound screening protocol for osteochondrosis at selected predilection sites in thoroughbred yearlingsLongitudinal parasagittal cranial image of the distal intermediate ridge of the tibia (DIRT). The distal intermediate ridge appears as a linear (dashed arrow) hyperechoic structure. There is a normal well-defined hypoechoic interface (arrow) with the remainder of the distal tibial epiphysis. Marker is to proximalBack to article page