( Meninges ( ( are ( ( ( three layers ) ( of ( connective tissue ) ) ) ( that ( completely ( ( envelope and ) ( protect ( ( ( the brain ) and ) ( spinal cord ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Meninges)) (VP (VBP are) (NP (NP (CD three) (NNS layers)) (PP (IN of) (NP (JJ connective) (NN tissue))) (SBAR (WHNP (WDT that)) (S (ADVP (RB completely)) (VP (VP (VBZ envelope)) (CC and) (VP (VB protect) (NP (NP (DT the) (NN brain)) (CC and) (NP (JJ spinal) (NN cord))))))))) (. .)))
Meninges are three layers of connective tissue that completely envelope and protect the brain and spinal cord.
(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)))) (. .)))