Sentence:  The <WSD>symplectics</WSD> (Fig. 8, sym) are thin slender bones placed vertically in between the quadrates and the hyomandibulars. 
Meaning of the word marked with <WSD> tags:  A bone in the teleostean fishes that forms the lower ossification of the suspensorium, and which articulates below with the quadrate bone by which it is firmly held.