Related Clues:

• Lost knees (anag.)
• Lots keen to organise delays, ultimately -- they hold us up
• Remains underground?
• Ones hanging around med school?
• Closet occupants, perhaps?
• Dancers in danse macabre imagery
• Anatomy class aids
• Criminal stole Ken's remains
• Lacking wings, asked all vets for any small bones
• The bare bones of what ancient diggers dug up of late
• Such keys perhaps best left in cupboards?