Fig. 8From: Ultrasound screening protocol for osteochondrosis at selected predilection sites in thoroughbred yearlingsTransverse mid-sagittal plantar image of the sagittal ridge of the third metatarsal bone. The distal sesamoidean ligaments are superficial to the third metatarsal bone. The sagittal ridge is identified with a thin hypoechoic cartilaginous rim (arrow) and deeper hyperechoic subchondral bone, and distal acoustic shadowing. Marker is to medialBack to article page