( ( MS plaques ) ( ( are ( distributed ( throughout ( ( the ( white matter ) ) ( of ( ( ( ( ( ( ( ( ( the ( optic ( nerves ( , ( ( chiasm and ) tracts ) ) ) ) ) , ) ( the cerebrum ) ) , ) ( the ( brain stem ) ) ) , ) ( the cerebellum ) ) and ) ( the ( spinal cord ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP MS) (NNS plaques)) (VP (VBP are) (VP (VBN distributed) (PP (IN throughout) (NP (NP (DT the) (JJ white) (NN matter)) (PP (IN of) (NP (NP (DT the) (JJ optic) (NNS nerves) (, ,) (NN chiasm) (CC and) (NNS tracts)) (, ,) (NP (DT the) (NN cerebrum)) (, ,) (NP (DT the) (NN brain) (NN stem)) (, ,) (NP (DT the) (NN cerebellum)) (CC and) (NP (DT the) (JJ spinal) (NN cord)))))))) (. .)))
MS plaques are distributed throughout the white matter of the optic nerves, chiasm and tracts, the cerebrum, the brain stem, the cerebellum and the spinal cord.
(ROOT (S (NP (NP (DT The) (NN cerebellum)) (PP (IN of) (NP (DT the) (NN brain)))) (VP (VBZ lies) (PP (PP (IN under) (NP (DT the) (NN cerebrum))) (CC and) (PP (IN behind) (NP (DT the) (NN brain) (NN stem))))) (. .)))