Related Clues:

• Organ producing bile?
• Organ that may be vented
• Organ - that is vented!
• Organ causing bad temper?
• Organ associated with ill humour
• Organ of the body — ill temper
• Soft organ near the stomach
• Organ supposedly controlling temper
• Bitterness — body organ
• Non-essential organ
• Abdominal organ — bad temper
• 'Vented' organ
• Inessential internal organ
• Ogre's state
• Ill-humour observed round edges of pool