( Meninges ( ( are ( ( three-layered membranes ) ( that ( surround ( ( ( the brain ) and ) ( spinal cord ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Meninges)) (VP (VBP are) (NP (NP (JJ three-layered) (NNS membranes)) (SBAR (WHNP (WDT that)) (S (VP (VBP surround) (NP (NP (DT the) (NN brain)) (CC and) (NP (JJ spinal) (NN cord)))))))) (. .)))
Meninges are three-layered membranes that surround 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)))) (. .)))