Related Clues:

• Cyst
• Nodule
• Abnormal vesicle
• Blister
• Skin problem
• Hydra, e.g.
• Anatomical sac
• Dermatologist's concern
• Growth
• Reef dweller
• Tentacled animal
• Coral producer
• Sea anemone, for example
• Dermatologist's diagnosis
• Dermatological concern