( ( A ligament ) ( ( is ( ( connective tissue ) ( consisting ( of ( ( tough layers ) ( of ( collagen ( ( ( laid down ) ( in parallel ) ) ( to ( form ( ( a ( strong connection ) ) ( between ( two bones ) ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT A) (NN ligament)) (VP (VBZ is) (NP (NP (JJ connective) (NN tissue)) (VP (VBG consisting) (PP (IN of) (NP (NP (JJ tough) (NNS layers)) (PP (IN of) (NP (NP (NN collagen)) (VP (VBN laid) (PRT (RP down)) (PP (IN in) (NP (NN parallel))) (S (VP (TO to) (VP (VB form) (NP (NP (DT a) (JJ strong) (NN connection)) (PP (IN between) (NP (CD two) (NNS bones))))))))))))))) (. .)))
A ligament is connective tissue consisting of tough layers of collagen laid down in parallel to form a strong connection between two bones.
(ROOT (S (NP (NNS Ligaments)) (VP (VBZ is) (NP (NP (DT the) (NN term)) (PP (IN for) (NP (JJ tough) (NN protein) (NNS fibers))) (SBAR (WHNP (WDT that)) (S (VP (VBZ connects) (NP (NNS bones)) (PP (TO to) (NP (DT each) (JJ other)))))))) (. .)))