Text Appearing Before Image: Med. spi^Fig. 109.—Diagram Showing the Arms of the Cerebellar Tracts. (After Edinger.) cling the closed bundles of the pyramidal tract (Fig. 96). Many nerve-cellsin which a portion of the fibers appears to end are here deposited, while, onthe other hand, fibers of these cells ascend to the cerebellum, probably in thesame tract. Some of these fibers, however, extend to the raphe of the pons. NEURON SYSTEMS AND NEURON DISEASES 109 which they partially cross, and then pass dorsally to the region of the teg-mentum where they may be traced toward the cerebrum. The commimication of the cerebellum with both nuclei of the auditory Lobus parietalis Putamen Corona radiataNucleus caudatus ^ Thalamus Capsula interna ^ Nucleus hypothalaniicus (Corpus Luysi) Nucleus ruber / \ I-— Pedunculus thalanii inferior Fibers of the Brachium conjunctivum Text Appearing After Image: Decussatio V^rachii conjunctiviCorpora quadrigemina Brachium conjunctivumVermis superior Nucleus dentatus Hemispcerium cerebelli Lemniscus medialis(sensitivus) Eaphe medullse oblongatae -Nucleus olivaris inferior —- Crossed TFibrai cerebelloolivare(decussat- J ^ iFibrae arcuatae intern. Nucleus funiculi cuneaNucleus funiculi gracilis ^ Corpus restiforme (its entrance ito the medullary center or whmatter of the cerebellum) Fibrce arcuatse externae^ (posteriores) \ Fibres of the posterior column \ passing direct to the cerebellum Fasciculus cerebellospinalisFig. 110.—Cerebellar Tracts. (After Toldt.) Direct (,non-d cussatiE tracts no HISTOLOGY OF THE CENTRAL NERVOUS SYSTEM nerve deserves special mention. Tlie origin of these fibers in the cerebellumis unknown. Another important communication is that of the cerebellum with themid-brain by, means of the anterior cerebellar peduncles (Figs. 97, 98) pass-ing to the corpora quadrigemina. Its fibers arise from the nucleus dentatusof the c
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