Possible Clues:

• Army officer briefly suffering with ache - located in the ear
• Spiral cavity of the ear
• Inner ear tube
• Inner-ear tube
• Organ of Corti location
• Take care of companion going by meadow - there's a cavity, as we hear
• Part of ear domestic fowl ignores in meadow
• Inner ear spiral cavity
• Ear cavity
• Shell-shaped part of the inner ear