( ( The meninges ) ( ( are ( ( ( the ( three layers ) ) ( of ( protective membranes ) ) ) ( that ( line ( ( ( the ( spinal cord ) ) and ) ( the brain ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NNS meninges)) (VP (VBP are) (NP (NP (DT the) (CD three) (NNS layers)) (PP (IN of) (NP (JJ protective) (NNS membranes))) (SBAR (WHNP (WDT that)) (S (VP (VBP line) (NP (NP (DT the) (JJ spinal) (NN cord)) (CC and) (NP (DT the) (NN brain)))))))) (. .)))
The meninges are the three layers of protective membranes that line the spinal cord and the brain .
(ROOT (S (NP (NP (DT The) (CD three) (NNS layers)) (PP (IN of) (NP (NP (JJ protective) (NNS coverings)) (PP (IN of) (NP (DT the) (JJ spinal) (NN cord)))))) (VP (VBZ is) (VP (VBN called) (NP (DT the) (NNS meninges)))) (. .)))