Diseases of the nervous system .. . i lateralis Putamen. Tractus opticus-N. opticus Tractus olf^ctoriua Fig. 80.—Region of the Corpora Q Right Xhiasma opticum^Corpus mamillare^ Pedunculus ^ \ ^^ ^v^ ^ Pons (Varoli)X \ \ ^ Fila lateralia pontis^^^ ^^ ^ Fasciculus obliquus pontis^^^ ^v^ ^Brachium pontis\ Flocculirs Oliva^^^ Fibrae arcuatae externsEBundles of the posterior root of the^^ first cervical or suboccipital nerve^v Sulcus lateralis posteriorFuniculus lateralis UADRIGEMIXA, THALAMUS, AND MeDULLA, FROM THE Side. (After Toldt.) Commissura habenularum Trigonum habenula>Corpus pi
Diseases of the nervous system .. . i lateralis Putamen. Tractus opticus-N. opticus Tractus olf^ctoriua Fig. 80.—Region of the Corpora Q Right Xhiasma opticum^Corpus mamillare^ Pedunculus ^ \ ^^ ^v^ ^ Pons (Varoli)X \ \ ^ Fila lateralia pontis^^^ ^^ ^ Fasciculus obliquus pontis^^^ ^v^ ^Brachium pontis\ Flocculirs Oliva^^^ Fibrae arcuatae externsEBundles of the posterior root of the^^ first cervical or suboccipital nerve^v Sulcus lateralis posteriorFuniculus lateralis UADRIGEMIXA, THALAMUS, AND MeDULLA, FROM THE Side. (After Toldt.) Commissura habenularum Trigonum habenula>Corpus pineale Colliculus superior Brachium quadrigemi-,num superius Brachium quadrige-vminum inferius Pedunculus cerebri^ Colliculus inferior Frenulumveli medullanter. Velum medullare anteriusXodulus vermis - Velum medullare —posteriusPedunculus fiocculi Recessus lateralisventriculi quartiApertura lateralis ventriculi ^ quarti / Plexus chorioideus ventiiculiquartiApertura mediana ventriculiquartiFig. 81.—Corpora Quadrigemina, Thalamu. , ThalamusTaenia chorioideaStria terrainalis Cauda corporis striatiPulvinar Corpus geniculatummediale Corpus geniculatumlaterale ? Corpora quadrigeminaN, trochlearis =- Brachium conjunctivum Brachium pontis Corpus restiforme FlocculusVentriculus quartus Tela chorioidea ventriculiquartiMedulla oblongata AND Medulla, from Above. (After Toldt.)85 86 HISTOLOGY OF THE CENTRAL NERVOUS SYSTEM follow the tract farther (Fig. ^3), We then perceive that after the optictract has passed around the cerebral peduncles (Fig. 80) it sinks dorsallyinto the roof of the middle brain, the characteristic portions of which areformed by the corpora quadrigemina (Figs. 81, 8^). Just before it entersthe middle brain it shows upon its lateral aspect a small protuberance, thecorpus geniculatiim lateraJe. A few of the fibers enter the nerve-cells, butthe majority pass on in two directions. Some run through the anterior supe-rior peduncle which leads from the superior peduncle t
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