glandular disorder

NOUN
18 LETTERS · STARTS WITH G

glandular disorder is a valid 18-letter word worth 21 points in Scrabble and 26 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
G2L1A1N1D2U1L1A1R1D2I1S1O1R1D2E1R1
2 + 1 + 1 + 1 + 2 + 1 + 1 + 1 + 1 + 0 + 2 + 1 + 1 + 1 + 1 + 2 + 1 + 1 =21 PTS
DOUBLE WORD → 42TRIPLE WORD → 63
MEANING

What does glandular disorder mean?