Related Clues:

• Bones near biceps
• Ones touching elbows
• Pizza slice borders, e.g.
• Neighbors of 43-Across
• Minute hands, say
• Forearm features
• Bones once called cubiti
• Neighbors of radii
• Half-diameters
• Neighbors of ulnae
• Radius partners
• Latin for "elbows"
• Radii relatives
• Hub-to-rim lines
• Comrades in arms?