neural structure

NOUN
16 LETTERS · STARTS WITH N

neural structure is a valid 16-letter word worth 17 points in Scrabble and 23 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
N1E1U1R1A1L1S1T1R1U1C3T1U1R1E1
1 + 1 + 1 + 1 + 1 + 1 + 0 + 1 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 1 =17 PTS
DOUBLE WORD → 34TRIPLE WORD → 51
MEANING

What does neural structure mean?