Possible Clues:

• "Sacro" ender
• One whose blood won't clot at the back of the hipbone
• Situated near the upper part of the hip
• Referring to hip bones
• Sacro addition
• I suffer back condition, primarily through the hipbone
• Suffix with sacro
• -- artery (aorta offshoot)
• Top of eyelashes found at the bottom of a hip bone
• Relating to a pelvis part