Related Clues:

• Anxiety
• Anxiousness
• Impulse transmitters
• Jitters
• Apprehensive feeling
• Feeling of anxiety
• The jitters
• Butterflies
• Anxious feeling
• The whim-whams
• Jitteriness
• -- of steel
• Ganglion components
• Reason for shaking hands?
• Fibres carrying bodily sensations