Possible Clues:

• The femur
• Femur
• Longest of its kind in the human body
• Part of leg that may be off in steak
• Disease to keep off one body part
• One supporting hip kind of school gets second-highest mark in style
• Disease to keep off one part of the body
• Tripping into disease — one associated with patella in song
• The informal femur
• The largest of Ezekiel's dry connections