internuncial neuron

19 LETTERS · STARTS WITH I

internuncial neuron is a valid 19-letter word worth 20 points in Scrabble and 29 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

I1N1T1E1R1N1U1N1C3I1A1L1N1E1U1R1O1N1

1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 0 + 1 + 1 + 1 + 1 + 1 + 1 =20 PTS

DOUBLE WORD → 40TRIPLE WORD → 60

MEANING

What does internuncial neuron mean?