Possible Clues:

• Cell needs coin in indefinite numbers
• Cell with element of lighting, you are inside
• Transmitter of nerve impulses
• One of about 100 billion in the human brain
• No time uncharged particle is nerve-cell
• Nerve-tissue cell
• Fresh fellow said to be in cell
• It's a bit of a nerve!
• One acting on impulse?
• It transmits currency accepted by Poles