( ( NORMAL ( ARTICULAR ( CARTILAGE ( Articular cartilage ) ) ) ) ( ( contains ( ( ( ( ( ( chondrocytes ( embedded ( in ( ( an ( extracellular matrix ) ) ( ( composed primarily ) ( of type ) ) ) ) ) ) ( II ( collagen ( , proteoglycans ) ) ) ) , ) and ) ( ( ( other collagens ) and ) ( noncollagenous proteins ) ) ) ( -LRB- ( 4 -RRB- ) ) ) ) . ) )
(ROOT (S (NP (NNP NORMAL) (NNP ARTICULAR) (NNP CARTILAGE) (NNP Articular) (NN cartilage)) (VP (VBZ contains) (NP (NP (NP (NP (NNS chondrocytes)) (VP (VBN embedded) (PP (IN in) (NP (NP (DT an) (NN extracellular) (NN matrix)) (VP (VBN composed) (ADVP (RB primarily)) (PP (IN of) (NP (NN type)))))))) (ADJP (NNP II) (NNP collagen) (, ,) (JJ proteoglycans)) (, ,) (CC and) (NP (NP (JJ other) (NNS collagens)) (CC and) (NP (JJ noncollagenous) (NNS proteins)))) (PRN (-LRB- -LRB-) (NP (CD 4)) (-RRB- -RRB-)))) (. .)))
NORMAL ARTICULAR CARTILAGE Articular cartilage contains chondrocytes embedded in an extracellular matrix composed primarily of type II collagen, proteoglycans, and other collagens and noncollagenous proteins (4).
(ROOT (S (NP (JJ Lamprey) (NN cartilage)) (VP (VBZ contains) (NP (DT no) (NN collagen))) (. .)))