the pelvis and sacrum were most frequently involved ( 42 % ) , followed by the hindlimbs ( 32 % ) , the skull ( 14.5 % ) , the vertebral column ( 6.5 % ) , the forelimbs ( 4 % ) , and the sternum and ribs ( 1 % ) in control animals .
C0036037
sacrum
C0037949
vertebral column